5615522687 has 2 divisors, whose sum is σ = 5615522688. Its totient is φ = 5615522686.

The previous prime is 5615522663. The next prime is 5615522707. The reversal of 5615522687 is 7862255165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5615522687 - 2⁶ = 5615522623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5615522287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807761343 + 2807761344.

It is an arithmetic number, because the mean of its divisors is an integer number (2807761344).

Almost surely, 2^5615522687 is an apocalyptic number.

5615522687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5615522687 is an equidigital number, since it uses as much as digits as its factorization.

5615522687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 47.

The square root of 5615522687 is about 74936.7912777162. The cubic root of 5615522687 is about 1777.4472821431.

The spelling of 5615522687 in words is "five billion, six hundred fifteen million, five hundred twenty-two thousand, six hundred eighty-seven".