15553212614140 has 96 divisors (see below), whose sum is σ = 33870369189888. Its totient is φ = 5992949760000.

The previous prime is 15553212614117. The next prime is 15553212614213. The reversal of 15553212614140 is 4141621235551.

It is a super-2 number, since 2×15553212614140² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15553212614093 and 15553212614102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231168705 + ... + 231235975.

It is an arithmetic number, because the mean of its divisors is an integer number (352816345728).

Almost surely, 2^{15553212614140} is an apocalyptic number.

15553212614140 is a gapful number since it is divisible by the number (10) 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 15553212614140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16935184594944).

15553212614140 is an abundant number, since it is smaller than the sum of its proper divisors (18317156575748).

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

15553212614140 is a wasteful number, since it uses less digits than its factorization.

15553212614140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69019 (or 69017 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 15553212614140 its reverse (4141621235551), we get a palindrome (19694833849691).

The spelling of 15553212614140 in words is "fifteen trillion, five hundred fifty-three billion, two hundred twelve million, six hundred fourteen thousand, one hundred forty".