11564112552 has 16 divisors (see below), whose sum is σ = 28910281440. Its totient is φ = 3854704176.

The previous prime is 11564112551. The next prime is 11564112629. The reversal of 11564112552 is 25521146511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11564112551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240918988 + ... + 240919035.

It is an arithmetic number, because the mean of its divisors is an integer number (1806892590).

Almost surely, 2^11564112552 is an apocalyptic number.

11564112552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11564112552 is an abundant number, since it is smaller than the sum of its proper divisors (17346168888).

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

11564112552 is a wasteful number, since it uses less digits than its factorization.

11564112552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481838032 (or 481838028 counting only the distinct ones).

The product of its digits is 12000, while the sum is 33.

The spelling of 11564112552 in words is "eleven billion, five hundred sixty-four million, one hundred twelve thousand, five hundred fifty-two".