115100489 has 32 divisors (see below), whose sum is σ = 147474432. Its totient is φ = 87552000.

The previous prime is 115100483. The next prime is 115100497. The reversal of 115100489 is 984001511.

It is a cyclic number.

It is not a de Polignac number, because 115100489 - 2²⁰ = 114051913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115100483) 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, 150869 + ... + 151629.

It is an arithmetic number, because the mean of its divisors is an integer number (4608576).

Almost surely, 2^115100489 is an apocalyptic number.

It is an amenable number.

115100489 is a deficient number, since it is larger than the sum of its proper divisors (32373943).

115100489 is a wasteful number, since it uses less digits than its factorization.

115100489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 115100489 is about 10728.4895954650. The cubic root of 115100489 is about 486.4360160442.

The spelling of 115100489 in words is "one hundred fifteen million, one hundred thousand, four hundred eighty-nine".