5165885615 has 16 divisors (see below), whose sum is σ = 6764047776. Its totient is φ = 3756211200.

The previous prime is 5165885611. The next prime is 5165885653.

It is a happy number.

5165885615 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5165885615 - 2² = 5165885611 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 (5165885611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415895 + ... + 428135.

It is an arithmetic number, because the mean of its divisors is an integer number (422752986).

Almost surely, 2^5165885615 is an apocalyptic number.

5165885615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5165885615 is a deficient number, since it is larger than the sum of its proper divisors (1598162161).

5165885615 is a wasteful number, since it uses less digits than its factorization.

5165885615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19930.

The product of its digits is 1440000, while the sum is 50.

The square root of 5165885615 is about 71874.0955769184. The cubic root of 5165885615 is about 1728.6812781072.

The spelling of 5165885615 in words is "five billion, one hundred sixty-five million, eight hundred eighty-five thousand, six hundred fifteen".