2011113343979 has 2 divisors, whose sum is σ = 2011113343980. Its totient is φ = 2011113343978.

The previous prime is 2011113343847. The next prime is 2011113344021. The reversal of 2011113343979 is 9793433111102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011113343979 - 2²⁴ = 2011096566763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011113340979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005556671989 + 1005556671990.

It is an arithmetic number, because the mean of its divisors is an integer number (1005556671990).

Almost surely, 2^{2011113343979} is an apocalyptic number.

2011113343979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011113343979 is an equidigital number, since it uses as much as digits as its factorization.

2011113343979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 2011113343979 in words is "two trillion, eleven billion, one hundred thirteen million, three hundred forty-three thousand, nine hundred seventy-nine".