115115040 has 96 divisors (see below), whose sum is σ = 402917760. Its totient is φ = 30696192.

The previous prime is 115114969. The next prime is 115115051. The reversal of 115115040 is 40511511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9004 + ... + 17643.

It is an arithmetic number, because the mean of its divisors is an integer number (4197060).

Almost surely, 2^115115040 is an apocalyptic number.

115115040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115115040 is an abundant number, since it is smaller than the sum of its proper divisors (287802720).

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

115115040 is a wasteful number, since it uses less digits than its factorization.

115115040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26671 (or 26657 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 115115040 is about 10729.1677216828. The cubic root of 115115040 is about 486.4565135888.

Adding to 115115040 its reverse (40511511), we get a palindrome (155626551).

The spelling of 115115040 in words is "one hundred fifteen million, one hundred fifteen thousand, forty".