5172155089 has 4 divisors (see below), whose sum is σ = 5476399524. Its totient is φ = 4867910656.

The previous prime is 5172155077. The next prime is 5172155099. The reversal of 5172155089 is 9805512715.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4678560000 + 493595089 = 68400^2 + 22217^2 .

It is a cyclic number.

It is not a de Polignac number, because 5172155089 - 2¹⁵ = 5172122321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5172155099) 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, 152122192 + ... + 152122225.

It is an arithmetic number, because the mean of its divisors is an integer number (1369099881).

Almost surely, 2^5172155089 is an apocalyptic number.

It is an amenable number.

5172155089 is a deficient number, since it is larger than the sum of its proper divisors (304244435).

5172155089 is a wasteful number, since it uses less digits than its factorization.

5172155089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304244434.

The product of its (nonzero) digits is 126000, while the sum is 43.

The square root of 5172155089 is about 71917.6966330263. The cubic root of 5172155089 is about 1729.3803219033.

The spelling of 5172155089 in words is "five billion, one hundred seventy-two million, one hundred fifty-five thousand, eighty-nine".