5155057517 has 4 divisors (see below), whose sum is σ = 5155201500. Its totient is φ = 5154913536.

The previous prime is 5155057513. The next prime is 5155057553. The reversal of 5155057517 is 7157505515.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2409926281 + 2745131236 = 49091^2 + 52394^2 .

It is a cyclic number.

It is not a de Polignac number, because 5155057517 - 2² = 5155057513 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 (5155057511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28109 + ... + 105357.

It is an arithmetic number, because the mean of its divisors is an integer number (1288800375).

Almost surely, 2^5155057517 is an apocalyptic number.

It is an amenable number.

5155057517 is a deficient number, since it is larger than the sum of its proper divisors (143983).

5155057517 is an equidigital number, since it uses as much as digits as its factorization.

5155057517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143982.

The product of its (nonzero) digits is 153125, while the sum is 41.

The square root of 5155057517 is about 71798.7292157737. The cubic root of 5155057517 is about 1727.4726164310.

The spelling of 5155057517 in words is "five billion, one hundred fifty-five million, fifty-seven thousand, five hundred seventeen".