5113312540 has 48 divisors (see below), whose sum is σ = 12571280064. Its totient is φ = 1710374400.

The previous prime is 5113312531. The next prime is 5113312553. The reversal of 5113312540 is 452133115.

It is a happy number.

It is a super-2 number, since 2×5113312540² = 52291930263442503200, which contains 22 as substring.

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, 439671 + ... + 451150.

It is an arithmetic number, because the mean of its divisors is an integer number (261901668).

Almost surely, 2^5113312540 is an apocalyptic number.

It is an amenable number.

5113312540 is an abundant number, since it is smaller than the sum of its proper divisors (7457967524).

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

5113312540 is a wasteful number, since it uses less digits than its factorization.

5113312540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890878 (or 890876 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5113312540 is about 71507.4299636059. The cubic root of 5113312540 is about 1722.7970242540.

Adding to 5113312540 its reverse (452133115), we get a palindrome (5565445655).

The spelling of 5113312540 in words is "five billion, one hundred thirteen million, three hundred twelve thousand, five hundred forty".