3111200688679 has 2 divisors, whose sum is σ = 3111200688680. Its totient is φ = 3111200688678.

The previous prime is 3111200688671. The next prime is 3111200688683. The reversal of 3111200688679 is 9768860021113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3111200688679 - 2³ = 3111200688671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111200688671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555600344339 + 1555600344340.

It is an arithmetic number, because the mean of its divisors is an integer number (1555600344340).

Almost surely, 2^{3111200688679} is an apocalyptic number.

3111200688679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111200688679 is an equidigital number, since it uses as much as digits as its factorization.

3111200688679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 3111200688679 in words is "three trillion, one hundred eleven billion, two hundred million, six hundred eighty-eight thousand, six hundred seventy-nine".