11523260664 has 64 divisors (see below), whose sum is σ = 33112836000. Its totient is φ = 3708633600.

The previous prime is 11523260633. The next prime is 11523260681. The reversal of 11523260664 is 46606232511.

11523260664 is a `hidden beast` number, since 1 + 15 + 2 + 32 + 606 + 6 + 4 = 666.

11523260664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913537 + ... + 926064.

Almost surely, 2^11523260664 is an apocalyptic number.

It is an amenable number.

11523260664 is an abundant number, since it is smaller than the sum of its proper divisors (21589575336).

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

11523260664 is a wasteful number, since it uses less digits than its factorization.

11523260664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839645 (or 1839635 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 11523260664 in words is "eleven billion, five hundred twenty-three million, two hundred sixty thousand, six hundred sixty-four".