115901579 has 4 divisors (see below), whose sum is σ = 115981320. Its totient is φ = 115821840.

The previous prime is 115901557. The next prime is 115901581. The reversal of 115901579 is 975109511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115901579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115901519) 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, 37649 + ... + 40610.

It is an arithmetic number, because the mean of its divisors is an integer number (28995330).

Almost surely, 2^115901579 is an apocalyptic number.

115901579 is a deficient number, since it is larger than the sum of its proper divisors (79741).

115901579 is an equidigital number, since it uses as much as digits as its factorization.

115901579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79740.

The product of its (nonzero) digits is 14175, while the sum is 38.

The square root of 115901579 is about 10765.7595644711. The cubic root of 115901579 is about 487.5619262994.

The spelling of 115901579 in words is "one hundred fifteen million, nine hundred one thousand, five hundred seventy-nine".