5255663815 has 16 divisors (see below), whose sum is σ = 7029249120. Its totient is φ = 3748930560.

The previous prime is 5255663789. The next prime is 5255663837. The reversal of 5255663815 is 5183665525.

It is not a de Polignac number, because 5255663815 - 2¹³ = 5255655623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1625526 + ... + 1628755.

It is an arithmetic number, because the mean of its divisors is an integer number (439328070).

Almost surely, 2^5255663815 is an apocalyptic number.

5255663815 is a deficient number, since it is larger than the sum of its proper divisors (1773585305).

5255663815 is a wasteful number, since it uses less digits than its factorization.

5255663815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254322.

The product of its digits is 1080000, while the sum is 46.

The square root of 5255663815 is about 72495.9572321105. The cubic root of 5255663815 is about 1738.6381001035.

The spelling of 5255663815 in words is "five billion, two hundred fifty-five million, six hundred sixty-three thousand, eight hundred fifteen".