113311999979 has 2 divisors, whose sum is σ = 113311999980. Its totient is φ = 113311999978.

The previous prime is 113311999973. The next prime is 113312000029. The reversal of 113311999979 is 979999113311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113311999979 - 2⁴ = 113311999963 is a prime.

It is not a weakly prime, because it can be changed into another prime (113311999973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56655999989 + 56655999990.

It is an arithmetic number, because the mean of its divisors is an integer number (56655999990).

Almost surely, 2^113311999979 is an apocalyptic number.

113311999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

113311999979 is an equidigital number, since it uses as much as digits as its factorization.

113311999979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3720087, while the sum is 62.

The spelling of 113311999979 in words is "one hundred thirteen billion, three hundred eleven million, nine hundred ninety-nine thousand, nine hundred seventy-nine".