5155555515 has 32 divisors (see below), whose sum is σ = 9005990400. Its totient is φ = 2497662720.

The previous prime is 5155555487. The next prime is 5155555553.

5155555515 is nontrivially palindromic in base 10.

5155555515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5155555515 - 2⁷ = 5155555387 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205791 + ... + 229479.

It is an arithmetic number, because the mean of its divisors is an integer number (281437200).

Almost surely, 2^5155555515 is an apocalyptic number.

5155555515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5155555515 is a deficient number, since it is larger than the sum of its proper divisors (3850434885).

5155555515 is a wasteful number, since it uses less digits than its factorization.

5155555515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25027.

The product of its digits is 390625, while the sum is 42.

The square root of 5155555515 is about 71802.1971460484. The cubic root of 5155555515 is about 1727.5282414300.

The spelling of 5155555515 in words is "five billion, one hundred fifty-five million, five hundred fifty-five thousand, five hundred fifteen".