113215116691 has 2 divisors, whose sum is σ = 113215116692. Its totient is φ = 113215116690.

The previous prime is 113215116683. The next prime is 113215116731. The reversal of 113215116691 is 196611512311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113215116691 - 2³ = 113215116683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113215116691.

It is not a weakly prime, because it can be changed into another prime (113215116611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56607558345 + 56607558346.

It is an arithmetic number, because the mean of its divisors is an integer number (56607558346).

Almost surely, 2^113215116691 is an apocalyptic number.

113215116691 is a deficient number, since it is larger than the sum of its proper divisors (1).

113215116691 is an equidigital number, since it uses as much as digits as its factorization.

113215116691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 37.

The spelling of 113215116691 in words is "one hundred thirteen billion, two hundred fifteen million, one hundred sixteen thousand, six hundred ninety-one".