113005891 has 2 divisors, whose sum is σ = 113005892. Its totient is φ = 113005890.

The previous prime is 113005883. The next prime is 113005897. The reversal of 113005891 is 198500311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113005891 - 2³ = 113005883 is a prime.

It is not a weakly prime, because it can be changed into another prime (113005897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56502945 + 56502946.

It is an arithmetic number, because the mean of its divisors is an integer number (56502946).

Almost surely, 2^113005891 is an apocalyptic number.

113005891 is a deficient number, since it is larger than the sum of its proper divisors (1).

113005891 is an equidigital number, since it uses as much as digits as its factorization.

113005891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 113005891 is about 10630.4228984552. The cubic root of 113005891 is about 483.4672139099.

The spelling of 113005891 in words is "one hundred thirteen million, five thousand, eight hundred ninety-one".