11310631644 has 24 divisors (see below), whose sum is σ = 28421587600. Its totient is φ = 3480194304.

The previous prime is 11310631601. The next prime is 11310631663. The reversal of 11310631644 is 44613601311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36251869 + ... + 36252180.

Almost surely, 2^11310631644 is an apocalyptic number.

It is an amenable number.

11310631644 is an abundant number, since it is smaller than the sum of its proper divisors (17110955956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11310631644 is a wasteful number, since it uses less digits than its factorization.

11310631644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72504069 (or 72504067 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 11310631644 in words is "eleven billion, three hundred ten million, six hundred thirty-one thousand, six hundred forty-four".