5011110018 has 12 divisors (see below), whose sum is σ = 10857405078. Its totient is φ = 1670370000.

The previous prime is 5011110011. The next prime is 5011110047. The reversal of 5011110018 is 8100111105.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2528380089 + 2482729929 = 50283^2 + 49827^2 .

It is a super-2 number, since 2×5011110018² = 50222447224999920648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 278395001 = 5011110018 / (5 + 0 + 1 + 1 + 1 + 1 + 0 + 0 + 1 + 8).

It is not an unprimeable number, because it can be changed into a prime (5011110011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139197483 + ... + 139197518.

Almost surely, 2^5011110018 is an apocalyptic number.

5011110018 is an abundant number, since it is smaller than the sum of its proper divisors (5846295060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5011110018 is a wasteful number, since it uses less digits than its factorization.

5011110018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278395009 (or 278395006 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 18.

The square root of 5011110018 is about 70789.1942177618. The cubic root of 5011110018 is about 1711.2415339957.

The spelling of 5011110018 in words is "five billion, eleven million, one hundred ten thousand, eighteen".