113291718847 has 2 divisors, whose sum is σ = 113291718848. Its totient is φ = 113291718846.

The previous prime is 113291718737. The next prime is 113291718863. The reversal of 113291718847 is 748817192311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113291718847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113291718794 and 113291718803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113291716847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56645859423 + 56645859424.

It is an arithmetic number, because the mean of its divisors is an integer number (56645859424).

Almost surely, 2^113291718847 is an apocalyptic number.

113291718847 is a deficient number, since it is larger than the sum of its proper divisors (1).

113291718847 is an equidigital number, since it uses as much as digits as its factorization.

113291718847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 52.

The spelling of 113291718847 in words is "one hundred thirteen billion, two hundred ninety-one million, seven hundred eighteen thousand, eight hundred forty-seven".