115602089 has 4 divisors (see below), whose sum is σ = 115625856. Its totient is φ = 115578324.

The previous prime is 115602079. The next prime is 115602167. The reversal of 115602089 is 980206511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 980206511 = 83 ⋅11809717.

It is a cyclic number.

It is not a de Polignac number, because 115602089 - 2⁴ = 115602073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115602029) 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, 1649 + ... + 15294.

It is an arithmetic number, because the mean of its divisors is an integer number (28906464).

Almost surely, 2^115602089 is an apocalyptic number.

It is an amenable number.

115602089 is a deficient number, since it is larger than the sum of its proper divisors (23767).

115602089 is an equidigital number, since it uses as much as digits as its factorization.

115602089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23766.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 115602089 is about 10751.8411911635. The cubic root of 115602089 is about 487.1416102709.

The spelling of 115602089 in words is "one hundred fifteen million, six hundred two thousand, eighty-nine".