115621519844160 has 1344 divisors, whose sum is σ = 455293073664000. Its totient is φ = 26658149253120.

The previous prime is 115621519844113. The next prime is 115621519844189. The reversal of 115621519844160 is 61448915126511.

115621519844160 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 2 + 1 + 5 + 198 + 441 + 6 + 0 = 666.

It is a super-2 number, since 2×115621519844160² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115621519844097 and 115621519844106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 175449953911 + ... + 175449954569.

Almost surely, 2^{115621519844160} is an apocalyptic number.

115621519844160 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 115621519844160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227646536832000).

115621519844160 is an abundant number, since it is smaller than the sum of its proper divisors (339671553819840).

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

115621519844160 is a wasteful number, since it uses less digits than its factorization.

115621519844160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 115621519844160 in words is "one hundred fifteen trillion, six hundred twenty-one billion, five hundred nineteen million, eight hundred forty-four thousand, one hundred sixty".