113051891 has 2 divisors, whose sum is σ = 113051892. Its totient is φ = 113051890.

The previous prime is 113051879. The next prime is 113051933. The reversal of 113051891 is 198150311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113051891 - 2²² = 108857587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113050891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56525945 + 56525946.

It is an arithmetic number, because the mean of its divisors is an integer number (56525946).

Almost surely, 2^113051891 is an apocalyptic number.

113051891 is a deficient number, since it is larger than the sum of its proper divisors (1).

113051891 is an equidigital number, since it uses as much as digits as its factorization.

113051891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 113051891 is about 10632.5862799227. The cubic root of 113051891 is about 483.5328048118.

The spelling of 113051891 in words is "one hundred thirteen million, fifty-one thousand, eight hundred ninety-one".