115172359 has 4 divisors (see below), whose sum is σ = 115815960. Its totient is φ = 114528760.

The previous prime is 115172353. The next prime is 115172383. The reversal of 115172359 is 953271511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953271511 = 67 ⋅14227933.

It is a cyclic number.

It is not a de Polignac number, because 115172359 - 2⁵ = 115172327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115172353) 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, 321532 + ... + 321889.

It is an arithmetic number, because the mean of its divisors is an integer number (28953990).

Almost surely, 2^115172359 is an apocalyptic number.

115172359 is a deficient number, since it is larger than the sum of its proper divisors (643601).

115172359 is an equidigital number, since it uses as much as digits as its factorization.

115172359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643600.

The product of its digits is 9450, while the sum is 34.

The square root of 115172359 is about 10731.8385656885. The cubic root of 115172359 is about 486.5372402956.

The spelling of 115172359 in words is "one hundred fifteen million, one hundred seventy-two thousand, three hundred fifty-nine".