5121113424 has 80 divisors (see below), whose sum is σ = 15158732160. Its totient is φ = 1459376640.

The previous prime is 5121113401. The next prime is 5121113441. The reversal of 5121113424 is 4243111215.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 5121113394 and 5121113403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111114 + ... + 150294.

It is an arithmetic number, because the mean of its divisors is an integer number (189484152).

Almost surely, 2^5121113424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5121113424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7579366080).

5121113424 is an abundant number, since it is smaller than the sum of its proper divisors (10037618736).

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

5121113424 is a wasteful number, since it uses less digits than its factorization.

5121113424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39588 (or 39582 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 5121113424 is about 71561.9551437773. The cubic root of 5121113424 is about 1723.6726804331.

Adding to 5121113424 its reverse (4243111215), we get a palindrome (9364224639).

The spelling of 5121113424 in words is "five billion, one hundred twenty-one million, one hundred thirteen thousand, four hundred twenty-four".