11516641479 has 40 divisors (see below), whose sum is σ = 19670999040. Its totient is φ = 6577781904.

The previous prime is 11516641469. The next prime is 11516641523. The reversal of 11516641479 is 97414661511.

It is a happy number.

11516641479 is a `hidden beast` number, since 1 + 1 + 5 + 166 + 414 + 79 = 666.

It is not a de Polignac number, because 11516641479 - 2⁴ = 11516641463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516641439) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1710682 + ... + 1717400.

It is an arithmetic number, because the mean of its divisors is an integer number (491774976).

Almost surely, 2^11516641479 is an apocalyptic number.

11516641479 is a deficient number, since it is larger than the sum of its proper divisors (8154357561).

11516641479 is an equidigital number, since it uses as much as digits as its factorization.

11516641479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9761 (or 9752 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 11516641479 in words is "eleven billion, five hundred sixteen million, six hundred forty-one thousand, four hundred seventy-nine".