115055811 has 48 divisors (see below), whose sum is σ = 191245600. Its totient is φ = 66064896.

The previous prime is 115055807. The next prime is 115055839. The reversal of 115055811 is 118550511.

It is not a de Polignac number, because 115055811 - 2² = 115055807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115055891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161925 + ... + 162633.

Almost surely, 2^115055811 is an apocalyptic number.

115055811 is a deficient number, since it is larger than the sum of its proper divisors (76189789).

115055811 is a wasteful number, since it uses less digits than its factorization.

115055811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 27.

The square root of 115055811 is about 10726.4071804123. The cubic root of 115055811 is about 486.3730687272.

The spelling of 115055811 in words is "one hundred fifteen million, fifty-five thousand, eight hundred eleven".