5517115979 has 2 divisors, whose sum is σ = 5517115980. Its totient is φ = 5517115978.

The previous prime is 5517115957. The next prime is 5517116023. The reversal of 5517115979 is 9795117155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5517115979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5517115579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758557989 + 2758557990.

It is an arithmetic number, because the mean of its divisors is an integer number (2758557990).

Almost surely, 2^5517115979 is an apocalyptic number.

5517115979 is a deficient number, since it is larger than the sum of its proper divisors (1).

5517115979 is an equidigital number, since it uses as much as digits as its factorization.

5517115979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 496125, while the sum is 50.

The square root of 5517115979 is about 74277.2911393516. The cubic root of 5517115979 is about 1767.0033432674.

The spelling of 5517115979 in words is "five billion, five hundred seventeen million, one hundred fifteen thousand, nine hundred seventy-nine".