5119715621538 has 224 divisors, whose sum is σ = 13699816454016. Its totient is φ = 1403737392384.

The previous prime is 5119715621477. The next prime is 5119715621549. The reversal of 5119715621538 is 8351265179115.

5119715621538 is a `hidden beast` number, since 5 + 1 + 1 + 9 + 7 + 1 + 5 + 621 + 5 + 3 + 8 = 666.

It is a super-2 number, since 2×5119715621538² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 27473545 + ... + 27659267.

It is an arithmetic number, because the mean of its divisors is an integer number (61159894884).

Almost surely, 2^{5119715621538} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5119715621538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6849908227008).

5119715621538 is an abundant number, since it is smaller than the sum of its proper divisors (8580100832478).

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

5119715621538 is a wasteful number, since it uses less digits than its factorization.

5119715621538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185860 (or 185845 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 54.

The spelling of 5119715621538 in words is "five trillion, one hundred nineteen billion, seven hundred fifteen million, six hundred twenty-one thousand, five hundred thirty-eight".