11552510664 has 24 divisors (see below), whose sum is σ = 31288049910. Its totient is φ = 3850836864.

The previous prime is 11552510657. The next prime is 11552510693. The reversal of 11552510664 is 46601525511.

11552510664 is a `hidden beast` number, since 115 + 525 + 10 + 6 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11479408164 + 73102500 = 107142^2 + 8550^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80225697 + ... + 80225840.

Almost surely, 2^11552510664 is an apocalyptic number.

It is an amenable number.

11552510664 is an abundant number, since it is smaller than the sum of its proper divisors (19735539246).

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

11552510664 is a wasteful number, since it uses less digits than its factorization.

11552510664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160451549 (or 160451542 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 11552510664 in words is "eleven billion, five hundred fifty-two million, five hundred ten thousand, six hundred sixty-four".