5215116539 has 2 divisors, whose sum is σ = 5215116540. Its totient is φ = 5215116538.

The previous prime is 5215116461. The next prime is 5215116541. The reversal of 5215116539 is 9356115125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5215116539 - 2¹² = 5215112443 is a prime.

Together with 5215116541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5214116539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607558269 + 2607558270.

It is an arithmetic number, because the mean of its divisors is an integer number (2607558270).

Almost surely, 2^5215116539 is an apocalyptic number.

5215116539 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215116539 is an equidigital number, since it uses as much as digits as its factorization.

5215116539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 38.

The square root of 5215116539 is about 72215.7637846475. The cubic root of 5215116539 is about 1734.1553733676.

The spelling of 5215116539 in words is "five billion, two hundred fifteen million, one hundred sixteen thousand, five hundred thirty-nine".