115711545 has 16 divisors (see below), whose sum is σ = 187371072. Its totient is φ = 60968640.

The previous prime is 115711529. The next prime is 115711633. The reversal of 115711545 is 545117511.

It is not a de Polignac number, because 115711545 - 2⁴ = 115711529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45226 + ... + 47715.

It is an arithmetic number, because the mean of its divisors is an integer number (11710692).

Almost surely, 2^115711545 is an apocalyptic number.

115711545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115711545 is a deficient number, since it is larger than the sum of its proper divisors (71659527).

115711545 is an equidigital number, since it uses as much as digits as its factorization.

115711545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93032.

The product of its digits is 3500, while the sum is 30.

The square root of 115711545 is about 10756.9300918059. The cubic root of 115711545 is about 487.2953092015.

The spelling of 115711545 in words is "one hundred fifteen million, seven hundred eleven thousand, five hundred forty-five".