5113898018 has 4 divisors (see below), whose sum is σ = 7670847030. Its totient is φ = 2556949008.

The previous prime is 5113898003. The next prime is 5113898029. The reversal of 5113898018 is 8108983115.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4635294889 + 478603129 = 68083^2 + 21877^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5113898018.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278474503 + ... + 1278474506.

Almost surely, 2^5113898018 is an apocalyptic number.

5113898018 is a deficient number, since it is larger than the sum of its proper divisors (2556949012).

5113898018 is a wasteful number, since it uses less digits than its factorization.

5113898018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556949011.

The product of its (nonzero) digits is 69120, while the sum is 44.

The square root of 5113898018 is about 71511.5236727620. The cubic root of 5113898018 is about 1722.8627755815.

The spelling of 5113898018 in words is "five billion, one hundred thirteen million, eight hundred ninety-eight thousand, eighteen".