11783380631 has 12 divisors (see below), whose sum is σ = 13515113136. Its totient is φ = 10246415520.

The previous prime is 11783380627. The next prime is 11783380649. The reversal of 11783380631 is 13608338711.

It is not a de Polignac number, because 11783380631 - 2² = 11783380627 is a prime.

It is a super-2 number, since 2×11783380631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11783380621) 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 11 ways as a sum of consecutive naturals, for example, 2114246 + ... + 2119811.

It is an arithmetic number, because the mean of its divisors is an integer number (1126259428).

Almost surely, 2^11783380631 is an apocalyptic number.

11783380631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11783380631 is a deficient number, since it is larger than the sum of its proper divisors (1731732505).

11783380631 is a wasteful number, since it uses less digits than its factorization.

11783380631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234102 (or 4234091 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 11783380631 in words is "eleven billion, seven hundred eighty-three million, three hundred eighty thousand, six hundred thirty-one".