5215015551 has 8 divisors (see below), whose sum is σ = 7057135744. Its totient is φ = 3424786200.

The previous prime is 5215015513. The next prime is 5215015573. The reversal of 5215015551 is 1555105125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5215015551 - 2¹⁹ = 5214491263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215015051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12972475 + ... + 12972876.

It is an arithmetic number, because the mean of its divisors is an integer number (882141968).

Almost surely, 2^5215015551 is an apocalyptic number.

5215015551 is a deficient number, since it is larger than the sum of its proper divisors (1842120193).

5215015551 is a wasteful number, since it uses less digits than its factorization.

5215015551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25945421.

The product of its (nonzero) digits is 6250, while the sum is 30.

The square root of 5215015551 is about 72215.0645710436. The cubic root of 5215015551 is about 1734.1441796252.

The spelling of 5215015551 in words is "five billion, two hundred fifteen million, fifteen thousand, five hundred fifty-one".