11976188812879 has 2 divisors, whose sum is σ = 11976188812880. Its totient is φ = 11976188812878.

The previous prime is 11976188812859. The next prime is 11976188812883. The reversal of 11976188812879 is 97821888167911.

It is a strong prime.

It is an emirp because it is prime and its reverse (97821888167911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11976188812879 is a prime.

It is a super-2 number, since 2×11976188812879² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11976188812859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5988094406439 + 5988094406440.

It is an arithmetic number, because the mean of its divisors is an integer number (5988094406440).

Almost surely, 2^{11976188812879} is an apocalyptic number.

11976188812879 is a deficient number, since it is larger than the sum of its proper divisors (1).

11976188812879 is an equidigital number, since it uses as much as digits as its factorization.

11976188812879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 195084288, while the sum is 76.

The spelling of 11976188812879 in words is "eleven trillion, nine hundred seventy-six billion, one hundred eighty-eight million, eight hundred twelve thousand, eight hundred seventy-nine".