11164656012 has 12 divisors (see below), whose sum is σ = 26050864056. Its totient is φ = 3721552000.

The previous prime is 11164655993. The next prime is 11164656023. The reversal of 11164656012 is 21065646111.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465193989 + ... + 465194012.

It is an arithmetic number, because the mean of its divisors is an integer number (2170905338).

Almost surely, 2^11164656012 is an apocalyptic number.

11164656012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11164656012 is an abundant number, since it is smaller than the sum of its proper divisors (14886208044).

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

11164656012 is a wasteful number, since it uses less digits than its factorization.

11164656012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930388008 (or 930388006 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

Subtracting 11164656012 from its reverse (21065646111), we obtain a palindrome (9900990099).

The spelling of 11164656012 in words is "eleven billion, one hundred sixty-four million, six hundred fifty-six thousand, twelve".