111107956493117 has 2 divisors, whose sum is σ = 111107956493118. Its totient is φ = 111107956493116.

The previous prime is 111107956493077. The next prime is 111107956493137. The reversal of 111107956493117 is 711394659701111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75189258538276 + 35918697954841 = 8671174^2 + 5993221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111107956493117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111107956493137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55553978246558 + 55553978246559.

It is an arithmetic number, because the mean of its divisors is an integer number (55553978246559).

Almost surely, 2^{111107956493117} is an apocalyptic number.

It is an amenable number.

111107956493117 is a deficient number, since it is larger than the sum of its proper divisors (1).

111107956493117 is an equidigital number, since it uses as much as digits as its factorization.

111107956493117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 56.

The spelling of 111107956493117 in words is "one hundred eleven trillion, one hundred seven billion, nine hundred fifty-six million, four hundred ninety-three thousand, one hundred seventeen".