11463531507 has 16 divisors (see below), whose sum is σ = 16993252000. Its totient is φ = 7637745312.

The previous prime is 11463531461. The next prime is 11463531559. The reversal of 11463531507 is 70513536411.

11463531507 is a `hidden beast` number, since 1 + 1 + 4 + 635 + 3 + 15 + 0 + 7 = 666.

It is not a de Polignac number, because 11463531507 - 2⁸ = 11463531251 is a prime.

It is a super-2 number, since 2×11463531507² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11463531577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82132 + ... + 172257.

It is an arithmetic number, because the mean of its divisors is an integer number (1062078250).

Almost surely, 2^11463531507 is an apocalyptic number.

11463531507 is a deficient number, since it is larger than the sum of its proper divisors (5529720493).

11463531507 is a wasteful number, since it uses less digits than its factorization.

11463531507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256067 (or 256061 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 11463531507 in words is "eleven billion, four hundred sixty-three million, five hundred thirty-one thousand, five hundred seven".