113951191 has 2 divisors, whose sum is σ = 113951192. Its totient is φ = 113951190.

The previous prime is 113951069. The next prime is 113951197. The reversal of 113951191 is 191159311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113951191 - 2⁹ = 113950679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113951197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56975595 + 56975596.

It is an arithmetic number, because the mean of its divisors is an integer number (56975596).

Almost surely, 2^113951191 is an apocalyptic number.

113951191 is a deficient number, since it is larger than the sum of its proper divisors (1).

113951191 is an equidigital number, since it uses as much as digits as its factorization.

113951191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1215, while the sum is 31.

The square root of 113951191 is about 10674.7923164809. The cubic root of 113951191 is about 484.8115482818.

The spelling of 113951191 in words is "one hundred thirteen million, nine hundred fifty-one thousand, one hundred ninety-one".