111011099577913 has 2 divisors, whose sum is σ = 111011099577914. Its totient is φ = 111011099577912.

The previous prime is 111011099577881. The next prime is 111011099577943. The reversal of 111011099577913 is 319775990110111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80213572177209 + 30797527400704 = 8956203^2 + 5549552^2 .

It is a cyclic number.

It is not a de Polignac number, because 111011099577913 - 2⁵ = 111011099577881 is a prime.

It is not a weakly prime, because it can be changed into another prime (111011099577943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505549788956 + 55505549788957.

It is an arithmetic number, because the mean of its divisors is an integer number (55505549788957).

Almost surely, 2^{111011099577913} is an apocalyptic number.

It is an amenable number.

111011099577913 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011099577913 is an equidigital number, since it uses as much as digits as its factorization.

111011099577913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 535815, while the sum is 55.

The spelling of 111011099577913 in words is "one hundred eleven trillion, eleven billion, ninety-nine million, five hundred seventy-seven thousand, nine hundred thirteen".