5155455515 has 16 divisors (see below), whose sum is σ = 7089012480. Its totient is φ = 3525832800.

The previous prime is 5155455469. The next prime is 5155455523. The reversal of 5155455515 is 5155545515.

It is a happy number.

It is not a de Polignac number, because 5155455515 - 2²² = 5151261211 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181061 + ... + 207590.

It is an arithmetic number, because the mean of its divisors is an integer number (443063280).

Almost surely, 2^5155455515 is an apocalyptic number.

5155455515 is a deficient number, since it is larger than the sum of its proper divisors (1933556965).

5155455515 is a wasteful number, since it uses less digits than its factorization.

5155455515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389042.

The product of its digits is 312500, while the sum is 41.

The square root of 5155455515 is about 71801.5007851507. The cubic root of 5155455515 is about 1727.5170719940.

Subtracting 5155455515 from its reverse (5155545515), we obtain a square (90000 = 300²).

The spelling of 5155455515 in words is "five billion, one hundred fifty-five million, four hundred fifty-five thousand, five hundred fifteen".