11630632563 has 32 divisors (see below), whose sum is σ = 19034956800. Its totient is φ = 6959628000.

The previous prime is 11630632553. The next prime is 11630632567. The reversal of 11630632563 is 36523603611.

11630632563 is a `hidden beast` number, since 1 + 1 + 6 + 30 + 63 + 2 + 563 = 666.

It is not a de Polignac number, because 11630632563 - 2⁴ = 11630632547 is a prime.

It is a super-2 number, since 2×11630632563² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11630632567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224388 + ... + 271313.

It is an arithmetic number, because the mean of its divisors is an integer number (594842400).

Almost surely, 2^11630632563 is an apocalyptic number.

11630632563 is a deficient number, since it is larger than the sum of its proper divisors (7404324237).

11630632563 is a wasteful number, since it uses less digits than its factorization.

11630632563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495800 (or 495794 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 11630632563 in words is "eleven billion, six hundred thirty million, six hundred thirty-two thousand, five hundred sixty-three".