113493811 has 2 divisors, whose sum is σ = 113493812. Its totient is φ = 113493810.

The previous prime is 113493797. The next prime is 113493833. The reversal of 113493811 is 118394311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113493811 is a prime.

It is not a weakly prime, because it can be changed into another prime (113493881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56746905 + 56746906.

It is an arithmetic number, because the mean of its divisors is an integer number (56746906).

Almost surely, 2^113493811 is an apocalyptic number.

113493811 is a deficient number, since it is larger than the sum of its proper divisors (1).

113493811 is an equidigital number, since it uses as much as digits as its factorization.

113493811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 113493811 is about 10653.3474082093. The cubic root of 113493811 is about 484.1620291131.

The spelling of 113493811 in words is "one hundred thirteen million, four hundred ninety-three thousand, eight hundred eleven".