113491799 has 2 divisors, whose sum is σ = 113491800. Its totient is φ = 113491798.

The previous prime is 113491787. The next prime is 113491801. The reversal of 113491799 is 997194311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113491799 - 2⁴ = 113491783 is a prime.

It is a Sophie Germain prime.

Together with 113491801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113491739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56745899 + 56745900.

It is an arithmetic number, because the mean of its divisors is an integer number (56745900).

Almost surely, 2^113491799 is an apocalyptic number.

113491799 is a deficient number, since it is larger than the sum of its proper divisors (1).

113491799 is an equidigital number, since it uses as much as digits as its factorization.

113491799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 44.

The square root of 113491799 is about 10653.2529773774. The cubic root of 113491799 is about 484.1591680474.

The spelling of 113491799 in words is "one hundred thirteen million, four hundred ninety-one thousand, seven hundred ninety-nine".