2116611535579 has 2 divisors, whose sum is σ = 2116611535580. Its totient is φ = 2116611535578.

The previous prime is 2116611535529. The next prime is 2116611535613. The reversal of 2116611535579 is 9755351166112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2116611535579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116611535529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058305767789 + 1058305767790.

It is an arithmetic number, because the mean of its divisors is an integer number (1058305767790).

Almost surely, 2^{2116611535579} is an apocalyptic number.

2116611535579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116611535579 is an equidigital number, since it uses as much as digits as its factorization.

2116611535579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701000, while the sum is 52.

The spelling of 2116611535579 in words is "two trillion, one hundred sixteen billion, six hundred eleven million, five hundred thirty-five thousand, five hundred seventy-nine".