111011110979 has 2 divisors, whose sum is σ = 111011110980. Its totient is φ = 111011110978.

The previous prime is 111011110963. The next prime is 111011110981. The reversal of 111011110979 is 979011110111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111011110979 - 2⁴ = 111011110963 is a prime.

Together with 111011110981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111011110909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505555489 + 55505555490.

It is an arithmetic number, because the mean of its divisors is an integer number (55505555490).

Almost surely, 2^111011110979 is an apocalyptic number.

111011110979 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011110979 is an equidigital number, since it uses as much as digits as its factorization.

111011110979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 32.

The spelling of 111011110979 in words is "one hundred eleven billion, eleven million, one hundred ten thousand, nine hundred seventy-nine".