115712118 has 32 divisors (see below), whose sum is σ = 259031520. Its totient is φ = 38286720.

The previous prime is 115712101. The next prime is 115712123. The reversal of 115712118 is 811217511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 115712091 and 115712100.

It is a congruent number.

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, 423 + ... + 15218.

It is an arithmetic number, because the mean of its divisors is an integer number (8094735).

Almost surely, 2^115712118 is an apocalyptic number.

115712118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115712118 is an abundant number, since it is smaller than the sum of its proper divisors (143319402).

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

115712118 is a wasteful number, since it uses less digits than its factorization.

115712118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789 (or 15783 counting only the distinct ones).

The product of its digits is 560, while the sum is 27.

The square root of 115712118 is about 10756.9567257659. The cubic root of 115712118 is about 487.2961135573.

Adding to 115712118 its reverse (811217511), we get a palindrome (926929629).

It can be divided in two parts, 11571 and 2118, that added together give a square (13689 = 117²).

The spelling of 115712118 in words is "one hundred fifteen million, seven hundred twelve thousand, one hundred eighteen".