111110009599949 has 2 divisors, whose sum is σ = 111110009599950. Its totient is φ = 111110009599948.

The previous prime is 111110009599913. The next prime is 111110009599951. The reversal of 111110009599949 is 949995900011111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62395891397449 + 48714118202500 = 7899107^2 + 6979550^2 .

It is a cyclic number.

It is not a de Polignac number, because 111110009599949 - 2²⁸ = 111109741164493 is a prime.

Together with 111110009599951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111110009599969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555004799974 + 55555004799975.

It is an arithmetic number, because the mean of its divisors is an integer number (55555004799975).

Almost surely, 2^{111110009599949} is an apocalyptic number.

It is an amenable number.

111110009599949 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110009599949 is an equidigital number, since it uses as much as digits as its factorization.

111110009599949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1180980, while the sum is 59.

The spelling of 111110009599949 in words is "one hundred eleven trillion, one hundred ten billion, nine million, five hundred ninety-nine thousand, nine hundred forty-nine".