5615317291 has 2 divisors, whose sum is σ = 5615317292. Its totient is φ = 5615317290.

The previous prime is 5615317283. The next prime is 5615317327. The reversal of 5615317291 is 1927135165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5615317291 - 2³ = 5615317283 is a prime.

It is not a weakly prime, because it can be changed into another prime (5615317261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807658645 + 2807658646.

It is an arithmetic number, because the mean of its divisors is an integer number (2807658646).

Almost surely, 2^5615317291 is an apocalyptic number.

5615317291 is a deficient number, since it is larger than the sum of its proper divisors (1).

5615317291 is an equidigital number, since it uses as much as digits as its factorization.

5615317291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 40.

The square root of 5615317291 is about 74935.4208035159. The cubic root of 5615317291 is about 1777.4256109629.

The spelling of 5615317291 in words is "five billion, six hundred fifteen million, three hundred seventeen thousand, two hundred ninety-one".