5155505518 has 4 divisors (see below), whose sum is σ = 7733258280. Its totient is φ = 2577752758.

The previous prime is 5155505483. The next prime is 5155505521. The reversal of 5155505518 is 8155055515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8155055515 = 5 ⋅1631011103.

It is a super-2 number, since 2×5155505518² = 53158474292256896648, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1288876378 + ... + 1288876381.

It is an arithmetic number, because the mean of its divisors is an integer number (1933314570).

Almost surely, 2^5155505518 is an apocalyptic number.

5155505518 is a deficient number, since it is larger than the sum of its proper divisors (2577752762).

5155505518 is a wasteful number, since it uses less digits than its factorization.

5155505518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577752761.

The product of its (nonzero) digits is 125000, while the sum is 40.

The square root of 5155505518 is about 71801.8489873346. The cubic root of 5155505518 is about 1727.5226570651.

The spelling of 5155505518 in words is "five billion, one hundred fifty-five million, five hundred five thousand, five hundred eighteen".