11425335552 has 144 divisors (see below), whose sum is σ = 34952400000. Its totient is φ = 3677054976.

The previous prime is 11425335539. The next prime is 11425335553. The reversal of 11425335552 is 25553352411.

11425335552 is a `hidden beast` number, since 1 + 1 + 4 + 253 + 355 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11425335553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171949 + ... + 228947.

It is an arithmetic number, because the mean of its divisors is an integer number (242725000).

Almost surely, 2^11425335552 is an apocalyptic number.

11425335552 is a gapful number since it is divisible by the number (12) 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 11425335552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17476200000).

11425335552 is an abundant number, since it is smaller than the sum of its proper divisors (23527064448).

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

11425335552 is an equidigital number, since it uses as much as digits as its factorization.

11425335552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57053 (or 57033 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

Adding to 11425335552 its reverse (25553352411), we get a palindrome (36978687963).

The spelling of 11425335552 in words is "eleven billion, four hundred twenty-five million, three hundred thirty-five thousand, five hundred fifty-two".