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25455540011132 = 227113133771911003
BaseRepresentation
bin1011100100110110101000…
…11010111000000001111100
310100010112012100110220021002
411302123110122320001330
511314030421220324012
6130050040314025432
75235050004004550
oct562332432700174
9110115170426232
1025455540011132
1181246a7791340
122a31554a18278
1311285a743863a
146400aa1a7860
152e2254dba7c2
hex1726d46b807c

25455540011132 has 192 divisors, whose sum is σ = 57586280693760. Its totient is φ = 9555157785600.

The previous prime is 25455540011087. The next prime is 25455540011141. The reversal of 25455540011132 is 23111004555452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2313503543 + ... + 2313514545.

It is an arithmetic number, because the mean of its divisors is an integer number (299928545280).

Almost surely, 225455540011132 is an apocalyptic number.

25455540011132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25455540011132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28793140346880).

25455540011132 is an abundant number, since it is smaller than the sum of its proper divisors (32130740682628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25455540011132 is a wasteful number, since it uses less digits than its factorization.

25455540011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112 (or 12110 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 25455540011132 its reverse (23111004555452), we get a palindrome (48566544566584).

The spelling of 25455540011132 in words is "twenty-five trillion, four hundred fifty-five billion, five hundred forty million, eleven thousand, one hundred thirty-two".