11857015679 has 2 divisors, whose sum is σ = 11857015680. Its totient is φ = 11857015678.

The previous prime is 11857015631. The next prime is 11857015711. The reversal of 11857015679 is 97651075811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11857015679 - 2²⁰ = 11855967103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11857015609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5928507839 + 5928507840.

It is an arithmetic number, because the mean of its divisors is an integer number (5928507840).

Almost surely, 2^11857015679 is an apocalyptic number.

11857015679 is a deficient number, since it is larger than the sum of its proper divisors (1).

11857015679 is an equidigital number, since it uses as much as digits as its factorization.

11857015679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 50.

The spelling of 11857015679 in words is "eleven billion, eight hundred fifty-seven million, fifteen thousand, six hundred seventy-nine".