5215205015 has 4 divisors (see below), whose sum is σ = 6258246024. Its totient is φ = 4172164008.

The previous prime is 5215204979. The next prime is 5215205033. The reversal of 5215205015 is 5105025125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5215205015 - 2¹⁰ = 5215203991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521520497 + ... + 521520506.

It is an arithmetic number, because the mean of its divisors is an integer number (1564561506).

Almost surely, 2^5215205015 is an apocalyptic number.

5215205015 is a deficient number, since it is larger than the sum of its proper divisors (1043041009).

5215205015 is a wasteful number, since it uses less digits than its factorization.

5215205015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043041008.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 5215205015 is about 72216.3763629829. The cubic root of 5215205015 is about 1734.1651801323.

The spelling of 5215205015 in words is "five billion, two hundred fifteen million, two hundred five thousand, fifteen".