113091911 has 2 divisors, whose sum is σ = 113091912. Its totient is φ = 113091910.

The previous prime is 113091889. The next prime is 113091931. The reversal of 113091911 is 119190311.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (119190311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113091911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113091931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56545955 + 56545956.

It is an arithmetic number, because the mean of its divisors is an integer number (56545956).

Almost surely, 2^113091911 is an apocalyptic number.

113091911 is a deficient number, since it is larger than the sum of its proper divisors (1).

113091911 is an equidigital number, since it uses as much as digits as its factorization.

113091911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 26.

The square root of 113091911 is about 10634.4680638008. The cubic root of 113091911 is about 483.5898544248.

The spelling of 113091911 in words is "one hundred thirteen million, ninety-one thousand, nine hundred eleven".