113125811 has 2 divisors, whose sum is σ = 113125812. Its totient is φ = 113125810.

The previous prime is 113125801. The next prime is 113125841. The reversal of 113125811 is 118521311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113125811 is a prime.

It is a super-2 number, since 2×113125811² = 25594898228815442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113125801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56562905 + 56562906.

It is an arithmetic number, because the mean of its divisors is an integer number (56562906).

Almost surely, 2^113125811 is an apocalyptic number.

113125811 is a deficient number, since it is larger than the sum of its proper divisors (1).

113125811 is an equidigital number, since it uses as much as digits as its factorization.

113125811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 23.

The square root of 113125811 is about 10636.0618181731. The cubic root of 113125811 is about 483.6381692812.

The spelling of 113125811 in words is "one hundred thirteen million, one hundred twenty-five thousand, eight hundred eleven".