5111336538 has 48 divisors (see below), whose sum is σ = 13807250496. Its totient is φ = 1327619520.

The previous prime is 5111336521. The next prime is 5111336551. The reversal of 5111336538 is 8356331115.

5111336538 is a `hidden beast` number, since 5 + 1 + 113 + 3 + 6 + 538 = 666.

It is a super-2 number, since 2×5111336538² = 52251522409387650888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842531 + ... + 1845302.

It is an arithmetic number, because the mean of its divisors is an integer number (287651052).

Almost surely, 2^5111336538 is an apocalyptic number.

5111336538 is an abundant number, since it is smaller than the sum of its proper divisors (8695913958).

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

5111336538 is a wasteful number, since it uses less digits than its factorization.

5111336538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687859 (or 3687856 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 5111336538 is about 71493.6118684740. The cubic root of 5111336538 is about 1722.5750749176.

The spelling of 5111336538 in words is "five billion, one hundred eleven million, three hundred thirty-six thousand, five hundred thirty-eight".