115113538 has 8 divisors (see below), whose sum is σ = 174380220. Its totient is φ = 56986800.

The previous prime is 115113529. The next prime is 115113539. The reversal of 115113538 is 835311511.

It can be written as a sum of positive squares in 2 ways, for example, as 109558089 + 5555449 = 10467^2 + 2357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×115113538² = 26502253261754888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115113539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284733 + ... + 285136.

Almost surely, 2^115113538 is an apocalyptic number.

115113538 is a deficient number, since it is larger than the sum of its proper divisors (59266682).

115113538 is a wasteful number, since it uses less digits than its factorization.

115113538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569972.

The product of its digits is 1800, while the sum is 28.

The square root of 115113538 is about 10729.0977253448. The cubic root of 115113538 is about 486.4543978477.

The spelling of 115113538 in words is "one hundred fifteen million, one hundred thirteen thousand, five hundred thirty-eight".