11966864058 has 24 divisors (see below), whose sum is σ = 25948155168. Its totient is φ = 3985885512.

The previous prime is 11966864047. The next prime is 11966864071. The reversal of 11966864058 is 85046866911.

It is a junction number, because it is equal to n+sod(n) for n = 11966863995 and 11966864013.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 231660 + ... + 278567.

It is an arithmetic number, because the mean of its divisors is an integer number (1081173132).

Almost surely, 2^11966864058 is an apocalyptic number.

11966864058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11966864058 is an abundant number, since it is smaller than the sum of its proper divisors (13981291110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11966864058 is a wasteful number, since it uses less digits than its factorization.

11966864058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511538 (or 511535 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 11966864058 in words is "eleven billion, nine hundred sixty-six million, eight hundred sixty-four thousand, fifty-eight".