10511663564 has 12 divisors (see below), whose sum is σ = 18435666984. Its totient is φ = 5244330144.

The previous prime is 10511663557. The next prime is 10511663587. The reversal of 10511663564 is 46536611501.

It is a super-2 number, since 2×10511663564² (a number of 21 digits) contains 22 as substring.

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, 2873354 + ... + 2877009.

It is an arithmetic number, because the mean of its divisors is an integer number (1536305582).

Almost surely, 2^10511663564 is an apocalyptic number.

It is an amenable number.

10511663564 is a deficient number, since it is larger than the sum of its proper divisors (7924003420).

10511663564 is a wasteful number, since it uses less digits than its factorization.

10511663564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750824 (or 5750822 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 10511663564 in words is "ten billion, five hundred eleven million, six hundred sixty-three thousand, five hundred sixty-four".