118563365811 has 32 divisors (see below), whose sum is σ = 178213812480. Its totient is φ = 69490512000.

The previous prime is 118563365801. The next prime is 118563365813.

118563365811 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 118563365811 - 2²¹ = 118561268659 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (118563365813) 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, 270316 + ... + 556953.

It is an arithmetic number, because the mean of its divisors is an integer number (5569181640).

Almost surely, 2^118563365811 is an apocalyptic number.

118563365811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118563365811 is a deficient number, since it is larger than the sum of its proper divisors (59650446669).

118563365811 is a wasteful number, since it uses less digits than its factorization.

118563365811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827427.

The product of its digits is 518400, while the sum is 48.

The spelling of 118563365811 in words is "one hundred eighteen billion, five hundred sixty-three million, three hundred sixty-five thousand, eight hundred eleven".