11857968046079 has 12 divisors (see below), whose sum is σ = 12187812483000. Its totient is φ = 11536822541088.

The previous prime is 11857968046039. The next prime is 11857968046103. The reversal of 11857968046079 is 97064086975811.

It is a de Polignac number, because none of the positive numbers 2^k-11857968046079 is a prime.

It is a super-2 number, since 2×11857968046079² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11857968046009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24607352 + ... + 25084610.

It is an arithmetic number, because the mean of its divisors is an integer number (1015651040250).

Almost surely, 2^{11857968046079} is an apocalyptic number.

11857968046079 is a deficient number, since it is larger than the sum of its proper divisors (329844436921).

11857968046079 is an equidigital number, since it uses as much as digits as its factorization.

11857968046079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495482 (or 495445 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 71.

The spelling of 11857968046079 in words is "eleven trillion, eight hundred fifty-seven billion, nine hundred sixty-eight million, forty-six thousand, seventy-nine".