11264144631 has 12 divisors (see below), whose sum is σ = 15954291432. Its totient is φ = 7067698048.

The previous prime is 11264144627. The next prime is 11264144641. The reversal of 11264144631 is 13644146211.

It is not a de Polignac number, because 11264144631 - 2² = 11264144627 is a prime.

It is a super-2 number, since 2×11264144631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11264144592 and 11264144601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11264144641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6495180 + ... + 6496913.

It is an arithmetic number, because the mean of its divisors is an integer number (1329524286).

Almost surely, 2^11264144631 is an apocalyptic number.

11264144631 is a deficient number, since it is larger than the sum of its proper divisors (4690146801).

11264144631 is a wasteful number, since it uses less digits than its factorization.

11264144631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12992130 (or 12992113 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The spelling of 11264144631 in words is "eleven billion, two hundred sixty-four million, one hundred forty-four thousand, six hundred thirty-one".