5115651515 has 16 divisors (see below), whose sum is σ = 6676459776. Its totient is φ = 3740304000.

The previous prime is 5115651511. The next prime is 5115651551. The reversal of 5115651515 is 5151565115.

It is not a de Polignac number, because 5115651515 - 2² = 5115651511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5115651511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383051 + ... + 396180.

It is an arithmetic number, because the mean of its divisors is an integer number (417278736).

Almost surely, 2^5115651515 is an apocalyptic number.

5115651515 is a deficient number, since it is larger than the sum of its proper divisors (1560808261).

5115651515 is a wasteful number, since it uses less digits than its factorization.

5115651515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779350.

The product of its digits is 18750, while the sum is 35.

The square root of 5115651515 is about 71523.7828627653. The cubic root of 5115651515 is about 1723.0596697100.

The spelling of 5115651515 in words is "five billion, one hundred fifteen million, six hundred fifty-one thousand, five hundred fifteen".