110990991911 has 2 divisors, whose sum is σ = 110990991912. Its totient is φ = 110990991910.

The previous prime is 110990991899. The next prime is 110990991919. The reversal of 110990991911 is 119199099011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110990991911 - 2¹⁸ = 110990729767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110990991911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110990991919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55495495955 + 55495495956.

It is an arithmetic number, because the mean of its divisors is an integer number (55495495956).

Almost surely, 2^110990991911 is an apocalyptic number.

110990991911 is a deficient number, since it is larger than the sum of its proper divisors (1).

110990991911 is an equidigital number, since it uses as much as digits as its factorization.

110990991911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59049, while the sum is 50.

The spelling of 110990991911 in words is "one hundred ten billion, nine hundred ninety million, nine hundred ninety-one thousand, nine hundred eleven".