111106907617 has 2 divisors, whose sum is σ = 111106907618. Its totient is φ = 111106907616.

The previous prime is 111106907573. The next prime is 111106907621. The reversal of 111106907617 is 716709601111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95392028736 + 15714878881 = 308856^2 + 125359^2 .

It is a cyclic number.

It is not a de Polignac number, because 111106907617 - 2²⁷ = 110972689889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111106907617.

It is not a weakly prime, because it can be changed into another prime (111106907647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55553453808 + 55553453809.

It is an arithmetic number, because the mean of its divisors is an integer number (55553453809).

Almost surely, 2^111106907617 is an apocalyptic number.

It is an amenable number.

111106907617 is a deficient number, since it is larger than the sum of its proper divisors (1).

111106907617 is an equidigital number, since it uses as much as digits as its factorization.

111106907617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 40.

The spelling of 111106907617 in words is "one hundred eleven billion, one hundred six million, nine hundred seven thousand, six hundred seventeen".