5115501289 has 2 divisors, whose sum is σ = 5115501290. Its totient is φ = 5115501288.

The previous prime is 5115501257. The next prime is 5115501373. The reversal of 5115501289 is 9821055115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4862691289 + 252810000 = 69733^2 + 15900^2 .

It is a cyclic number.

It is not a de Polignac number, because 5115501289 - 2⁵ = 5115501257 is a prime.

It is not a weakly prime, because it can be changed into another prime (5115501889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2557750644 + 2557750645.

It is an arithmetic number, because the mean of its divisors is an integer number (2557750645).

Almost surely, 2^5115501289 is an apocalyptic number.

It is an amenable number.

5115501289 is a deficient number, since it is larger than the sum of its proper divisors (1).

5115501289 is an equidigital number, since it uses as much as digits as its factorization.

5115501289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 37.

The square root of 5115501289 is about 71522.7326729062. The cubic root of 5115501289 is about 1723.0428031131.

The spelling of 5115501289 in words is "five billion, one hundred fifteen million, five hundred one thousand, two hundred eighty-nine".