115542649311 has 32 divisors (see below), whose sum is σ = 165694429440. Its totient is φ = 71393946624.

The previous prime is 115542649289. The next prime is 115542649333. The reversal of 115542649311 is 113946245511.

It is an interprime number because it is at equal distance from previous prime (115542649289) and next prime (115542649333).

It is not a de Polignac number, because 115542649311 - 2⁵ = 115542649279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115542644311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1012240 + ... + 1120586.

It is an arithmetic number, because the mean of its divisors is an integer number (5177950920).

Almost surely, 2^115542649311 is an apocalyptic number.

115542649311 is a deficient number, since it is larger than the sum of its proper divisors (50151780129).

115542649311 is a wasteful number, since it uses less digits than its factorization.

115542649311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108775.

The product of its digits is 129600, while the sum is 42.

The spelling of 115542649311 in words is "one hundred fifteen billion, five hundred forty-two million, six hundred forty-nine thousand, three hundred eleven".