115258811 has 4 divisors (see below), whose sum is σ = 118373952. Its totient is φ = 112143672.

The previous prime is 115258771. The next prime is 115258817. The reversal of 115258811 is 118852511.

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

It is a cyclic number.

It is not a de Polignac number, because 115258811 - 2⁶ = 115258747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115258817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557515 + ... + 1557588.

It is an arithmetic number, because the mean of its divisors is an integer number (29593488).

Almost surely, 2^115258811 is an apocalyptic number.

115258811 is a deficient number, since it is larger than the sum of its proper divisors (3115141).

115258811 is an equidigital number, since it uses as much as digits as its factorization.

115258811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115140.

The product of its digits is 3200, while the sum is 32.

The square root of 115258811 is about 10735.8656381309. The cubic root of 115258811 is about 486.6589465738.

The spelling of 115258811 in words is "one hundred fifteen million, two hundred fifty-eight thousand, eight hundred eleven".