113897511520 has 192 divisors, whose sum is σ = 295482587904. Its totient is φ = 41231646720.

The previous prime is 113897511479. The next prime is 113897511527. The reversal of 113897511520 is 25115798311.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113897511527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44787369 + ... + 44789911.

It is an arithmetic number, because the mean of its divisors is an integer number (1538971812).

Almost surely, 2^113897511520 is an apocalyptic number.

113897511520 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 113897511520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147741293952).

113897511520 is an abundant number, since it is smaller than the sum of its proper divisors (181585076384).

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

113897511520 is a wasteful number, since it uses less digits than its factorization.

113897511520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 43.

The spelling of 113897511520 in words is "one hundred thirteen billion, eight hundred ninety-seven million, five hundred eleven thousand, five hundred twenty".