11654669131 has 16 divisors (see below), whose sum is σ = 13640163328. Its totient is φ = 9749678400.

The previous prime is 11654669123. The next prime is 11654669137. The reversal of 11654669131 is 13196645611.

11654669131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11654669131 - 2³ = 11654669123 is a prime.

It is a super-2 number, since 2×11654669131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11654669137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382966 + ... + 412276.

It is an arithmetic number, because the mean of its divisors is an integer number (852510208).

Almost surely, 2^11654669131 is an apocalyptic number.

11654669131 is a deficient number, since it is larger than the sum of its proper divisors (1985494197).

11654669131 is a wasteful number, since it uses less digits than its factorization.

11654669131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30682.

The product of its digits is 116640, while the sum is 43.

The spelling of 11654669131 in words is "eleven billion, six hundred fifty-four million, six hundred sixty-nine thousand, one hundred thirty-one".