113397473377809 has 12 divisors (see below), whose sum is σ = 165484972605316. Its totient is φ = 74818951506432.

The previous prime is 113397473377801. The next prime is 113397473377819. The reversal of 113397473377809 is 908773374793311.

113397473377809 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 9 + 7 + 473 + 3 + 77 + 80 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56827474560000 + 56569998817809 = 7538400^2 + 7521303^2 .

It is not a de Polignac number, because 113397473377809 - 2³ = 113397473377801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113397473377801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64947005644 + ... + 64947007389.

Almost surely, 2^{113397473377809} is an apocalyptic number.

It is an amenable number.

113397473377809 is a deficient number, since it is larger than the sum of its proper divisors (52087499227507).

113397473377809 is a wasteful number, since it uses less digits than its factorization.

113397473377809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129894013136 (or 129894013133 counting only the distinct ones).

The product of its (nonzero) digits is 504094752, while the sum is 72.

The spelling of 113397473377809 in words is "one hundred thirteen trillion, three hundred ninety-seven billion, four hundred seventy-three million, three hundred seventy-seven thousand, eight hundred nine".