111012312012079 has 2 divisors, whose sum is σ = 111012312012080. Its totient is φ = 111012312012078.

The previous prime is 111012312012059. The next prime is 111012312012187. The reversal of 111012312012079 is 970210213210111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012312012079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111012312012079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111012312012059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506156006039 + 55506156006040.

It is an arithmetic number, because the mean of its divisors is an integer number (55506156006040).

Almost surely, 2^{111012312012079} is an apocalyptic number.

111012312012079 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012312012079 is an equidigital number, since it uses as much as digits as its factorization.

111012312012079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 111012312012079 in words is "one hundred eleven trillion, twelve billion, three hundred twelve million, twelve thousand, seventy-nine".