5165555615 has 32 divisors (see below), whose sum is σ = 6931560960. Its totient is φ = 3663792000.

The previous prime is 5165555611. The next prime is 5165555737.

5165555615 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5165555615 - 2² = 5165555611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165555611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365246 + ... + 379124.

It is an arithmetic number, because the mean of its divisors is an integer number (216611280).

Almost surely, 2^5165555615 is an apocalyptic number.

5165555615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5165555615 is a deficient number, since it is larger than the sum of its proper divisors (1766005345).

5165555615 is a wasteful number, since it uses less digits than its factorization.

5165555615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14063.

The product of its digits is 562500, while the sum is 44.

The square root of 5165555615 is about 71871.7998591937. The cubic root of 5165555615 is about 1728.6444675767.

The spelling of 5165555615 in words is "five billion, one hundred sixty-five million, five hundred fifty-five thousand, six hundred fifteen".