5109138504 has 80 divisors (see below), whose sum is σ = 14398409520. Its totient is φ = 1692563040.

The previous prime is 5109138497. The next prime is 5109138547. The reversal of 5109138504 is 4058319015.

5109138504 is a `hidden beast` number, since 5 + 10 + 9 + 138 + 504 = 666.

It is a super-2 number, since 2×5109138504² = 52206592506110716032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81439 + ... + 129809.

It is an arithmetic number, because the mean of its divisors is an integer number (179980119).

Almost surely, 2^5109138504 is an apocalyptic number.

5109138504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5109138504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7199204760).

5109138504 is an abundant number, since it is smaller than the sum of its proper divisors (9289271016).

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

5109138504 is a wasteful number, since it uses less digits than its factorization.

5109138504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48552 (or 48539 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 5109138504 is about 71478.2379749249. The cubic root of 5109138504 is about 1722.3281191933.

The spelling of 5109138504 in words is "five billion, one hundred nine million, one hundred thirty-eight thousand, five hundred four".