115897521114 has 40 divisors (see below), whose sum is σ = 274972556628. Its totient is φ = 36360005760.

The previous prime is 115897521107. The next prime is 115897521119. The reversal of 115897521114 is 411125798511.

115897521114 is a `hidden beast` number, since 1 + 1 + 5 + 8 + 9 + 7 + 521 + 114 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112615949889 + 3281571225 = 335583^2 + 57285^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115897521114.

It is not an unprimeable number, because it can be changed into a prime (115897521119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21038917 + ... + 21044424.

Almost surely, 2^115897521114 is an apocalyptic number.

115897521114 is an abundant number, since it is smaller than the sum of its proper divisors (159075035514).

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

115897521114 is a wasteful number, since it uses less digits than its factorization.

115897521114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42083372 (or 42083363 counting only the distinct ones).

The product of its digits is 100800, while the sum is 45.

The spelling of 115897521114 in words is "one hundred fifteen billion, eight hundred ninety-seven million, five hundred twenty-one thousand, one hundred fourteen".