11731136467 has 16 divisors (see below), whose sum is σ = 12875673600. Its totient is φ = 10640085120.

The previous prime is 11731136449. The next prime is 11731136477. The reversal of 11731136467 is 76463113711.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11731136467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11731136437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 79384 + ... + 172522.

It is an arithmetic number, because the mean of its divisors is an integer number (804729600).

Almost surely, 2^11731136467 is an apocalyptic number.

11731136467 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11731136467 is a deficient number, since it is larger than the sum of its proper divisors (1144537133).

11731136467 is a wasteful number, since it uses less digits than its factorization.

11731136467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93426.

The product of its digits is 63504, while the sum is 40.

The spelling of 11731136467 in words is "eleven billion, seven hundred thirty-one million, one hundred thirty-six thousand, four hundred sixty-seven".