115752399 has 32 divisors (see below), whose sum is σ = 188006400. Its totient is φ = 61910112.

The previous prime is 115752379. The next prime is 115752407. The reversal of 115752399 is 993257511.

It is not a de Polignac number, because 115752399 - 2⁵ = 115752367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115752399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115752359) 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, 20152 + ... + 25250.

It is an arithmetic number, because the mean of its divisors is an integer number (5875200).

Almost surely, 2^115752399 is an apocalyptic number.

115752399 is a deficient number, since it is larger than the sum of its proper divisors (72254001).

115752399 is a wasteful number, since it uses less digits than its factorization.

115752399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179.

The product of its digits is 85050, while the sum is 42.

The square root of 115752399 is about 10758.8288860824. The cubic root of 115752399 is about 487.3526518521.

The spelling of 115752399 in words is "one hundred fifteen million, seven hundred fifty-two thousand, three hundred ninety-nine".