5111144136 has 72 divisors (see below), whose sum is σ = 16102722870. Its totient is φ = 1460325888.

The previous prime is 5111144123. The next prime is 5111144141. The reversal of 5111144136 is 6314411115.

5111144136 is a `hidden beast` number, since 511 + 1 + 14 + 4 + 136 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4761828036 + 349316100 = 69006^2 + 18690^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×5111144136² = 52247588757934372992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 720841 + ... + 727896.

Almost surely, 2^5111144136 is an apocalyptic number.

5111144136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5111144136 is an abundant number, since it is smaller than the sum of its proper divisors (10991578734).

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

5111144136 is a wasteful number, since it uses less digits than its factorization.

5111144136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448763 (or 1448749 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 5111144136 is about 71492.2662670586. The cubic root of 5111144136 is about 1722.5534608025.

The spelling of 5111144136 in words is "five billion, one hundred eleven million, one hundred forty-four thousand, one hundred thirty-six".