11187927479 has 2 divisors, whose sum is σ = 11187927480. Its totient is φ = 11187927478.

The previous prime is 11187927469. The next prime is 11187927547. The reversal of 11187927479 is 97472978111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11187927479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11187927469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5593963739 + 5593963740.

It is an arithmetic number, because the mean of its divisors is an integer number (5593963740).

Almost surely, 2^11187927479 is an apocalyptic number.

11187927479 is a deficient number, since it is larger than the sum of its proper divisors (1).

11187927479 is an equidigital number, since it uses as much as digits as its factorization.

11187927479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 56.

The spelling of 11187927479 in words is "eleven billion, one hundred eighty-seven million, nine hundred twenty-seven thousand, four hundred seventy-nine".