111054436979 has 2 divisors, whose sum is σ = 111054436980. Its totient is φ = 111054436978.

The previous prime is 111054436949. The next prime is 111054437017. The reversal of 111054436979 is 979634450111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111054436979 is a prime.

It is not a weakly prime, because it can be changed into another prime (111054436919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55527218489 + 55527218490.

It is an arithmetic number, because the mean of its divisors is an integer number (55527218490).

Almost surely, 2^111054436979 is an apocalyptic number.

111054436979 is a deficient number, since it is larger than the sum of its proper divisors (1).

111054436979 is an equidigital number, since it uses as much as digits as its factorization.

111054436979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 111054436979 in words is "one hundred eleven billion, fifty-four million, four hundred thirty-six thousand, nine hundred seventy-nine".