111389085179 has 2 divisors, whose sum is σ = 111389085180. Its totient is φ = 111389085178.

The previous prime is 111389085133. The next prime is 111389085191. The reversal of 111389085179 is 971580983111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111389085179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111389085179.

It is not a weakly prime, because it can be changed into another prime (111389085079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55694542589 + 55694542590.

It is an arithmetic number, because the mean of its divisors is an integer number (55694542590).

Almost surely, 2^111389085179 is an apocalyptic number.

111389085179 is a deficient number, since it is larger than the sum of its proper divisors (1).

111389085179 is an equidigital number, since it uses as much as digits as its factorization.

111389085179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 53.

The spelling of 111389085179 in words is "one hundred eleven billion, three hundred eighty-nine million, eighty-five thousand, one hundred seventy-nine".