11631694852637 has 32 divisors (see below), whose sum is σ = 12226748688000. Its totient is φ = 11050699871232.

The previous prime is 11631694852619. The next prime is 11631694852649. The reversal of 11631694852637 is 73625849613611.

It is a happy number.

It is not a de Polignac number, because 11631694852637 - 2²⁰ = 11631693804061 is a prime.

It is a super-2 number, since 2×11631694852637² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11631694852637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631694852667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2501975489 + ... + 2501980137.

It is an arithmetic number, because the mean of its divisors is an integer number (382085896500).

Almost surely, 2^{11631694852637} is an apocalyptic number.

It is an amenable number.

11631694852637 is a deficient number, since it is larger than the sum of its proper divisors (595053835363).

11631694852637 is a wasteful number, since it uses less digits than its factorization.

11631694852637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717.

The product of its digits is 39191040, while the sum is 62.

The spelling of 11631694852637 in words is "eleven trillion, six hundred thirty-one billion, six hundred ninety-four million, eight hundred fifty-two thousand, six hundred thirty-seven".