11786814331 has 6 divisors (see below), whose sum is σ = 12407671140. Its totient is φ = 11166007356.

The previous prime is 11786814227. The next prime is 11786814359. The reversal of 11786814331 is 13341868711.

It is not a de Polignac number, because 11786814331 - 2¹⁵ = 11786781563 is a prime.

It is a super-2 number, since 2×11786814331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11786814371) 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 5 ways as a sum of consecutive naturals, for example, 460780 + ... + 485686.

It is an arithmetic number, because the mean of its divisors is an integer number (2067945190).

Almost surely, 2^11786814331 is an apocalyptic number.

11786814331 is a deficient number, since it is larger than the sum of its proper divisors (620856809).

11786814331 is an frugal number, since it uses more digits than its factorization.

11786814331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49833 (or 24926 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The spelling of 11786814331 in words is "eleven billion, seven hundred eighty-six million, eight hundred fourteen thousand, three hundred thirty-one".