11611431675 has 48 divisors (see below), whose sum is σ = 21357938560. Its totient is φ = 6184836000.

The previous prime is 11611431659. The next prime is 11611431707. The reversal of 11611431675 is 57613411611.

It is a happy number.

11611431675 is a `hidden beast` number, since 1 + 1 + 611 + 4 + 31 + 6 + 7 + 5 = 666.

11611431675 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 11611431675 - 2⁴ = 11611431659 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 536820 + ... + 558030.

Almost surely, 2^11611431675 is an apocalyptic number.

11611431675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11611431675 is a deficient number, since it is larger than the sum of its proper divisors (9746506885).

11611431675 is a wasteful number, since it uses less digits than its factorization.

11611431675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22041 (or 22030 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The spelling of 11611431675 in words is "eleven billion, six hundred eleven million, four hundred thirty-one thousand, six hundred seventy-five".