11525580766 has 96 divisors (see below), whose sum is σ = 22196401920. Its totient is φ = 4457980800.

The previous prime is 11525580749. The next prime is 11525580811. The reversal of 11525580766 is 66708552511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3280951 + ... + 3284461.

It is an arithmetic number, because the mean of its divisors is an integer number (231212520).

Almost surely, 2^11525580766 is an apocalyptic number.

11525580766 is a deficient number, since it is larger than the sum of its proper divisors (10670821154).

11525580766 is a wasteful number, since it uses less digits than its factorization.

11525580766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3623 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 11525580766 in words is "eleven billion, five hundred twenty-five million, five hundred eighty thousand, seven hundred sixty-six".