6115516015579 has 2 divisors, whose sum is σ = 6115516015580. Its totient is φ = 6115516015578.

The previous prime is 6115516015577. The next prime is 6115516015667. The reversal of 6115516015579 is 9755106155116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6115516015579 - 2¹ = 6115516015577 is a prime.

It is a super-2 number, since 2×6115516015579² (a number of 26 digits) contains 22 as substring.

Together with 6115516015577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6115516015577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057758007789 + 3057758007790.

It is an arithmetic number, because the mean of its divisors is an integer number (3057758007790).

Almost surely, 2^{6115516015579} is an apocalyptic number.

6115516015579 is a deficient number, since it is larger than the sum of its proper divisors (1).

6115516015579 is an equidigital number, since it uses as much as digits as its factorization.

6115516015579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417500, while the sum is 52.

The spelling of 6115516015579 in words is "six trillion, one hundred fifteen billion, five hundred sixteen million, fifteen thousand, five hundred seventy-nine".