11731136463 has 24 divisors (see below), whose sum is σ = 17790942000. Its totient is φ = 7438362624.

The previous prime is 11731136449. The next prime is 11731136477. The reversal of 11731136463 is 36463113711.

11731136463 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 1 + 1 + 3 + 646 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (11731136449) and next prime (11731136477).

It is not a de Polignac number, because 11731136463 - 2²⁴ = 11714359247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11731136063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317938 + ... + 352911.

It is an arithmetic number, because the mean of its divisors is an integer number (741289250).

Almost surely, 2^11731136463 is an apocalyptic number.

11731136463 is a deficient number, since it is larger than the sum of its proper divisors (6059805537).

11731136463 is a wasteful number, since it uses less digits than its factorization.

11731136463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670951 (or 670948 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The spelling of 11731136463 in words is "eleven billion, seven hundred thirty-one million, one hundred thirty-six thousand, four hundred sixty-three".