118577031811 has 16 divisors (see below), whose sum is σ = 138270794688. Its totient is φ = 99577296000.

The previous prime is 118577031803. The next prime is 118577031821. The reversal of 118577031811 is 118130775811.

It is not a de Polignac number, because 118577031811 - 2³ = 118577031803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118577031821) 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 15 ways as a sum of consecutive naturals, for example, 32101 + ... + 488041.

It is an arithmetic number, because the mean of its divisors is an integer number (8641924668).

Almost surely, 2^118577031811 is an apocalyptic number.

118577031811 is a deficient number, since it is larger than the sum of its proper divisors (19693762877).

118577031811 is an equidigital number, since it uses as much as digits as its factorization.

118577031811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456702.

The product of its (nonzero) digits is 47040, while the sum is 43.

The spelling of 118577031811 in words is "one hundred eighteen billion, five hundred seventy-seven million, thirty-one thousand, eight hundred eleven".