5113215444 has 48 divisors (see below), whose sum is σ = 12454230656. Its totient is φ = 1631145600.

The previous prime is 5113215347. The next prime is 5113215467. The reversal of 5113215444 is 4445123115.

It is a super-2 number, since 2×5113215444² = 52289944353520234272, 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, 67312 + ... + 121479.

Almost surely, 2^5113215444 is an apocalyptic number.

It is an amenable number.

5113215444 is an abundant number, since it is smaller than the sum of its proper divisors (7341015212).

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

5113215444 is a wasteful number, since it uses less digits than its factorization.

5113215444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188896 (or 188894 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 5113215444 is about 71506.7510379265. The cubic root of 5113215444 is about 1722.7861195318.

Adding to 5113215444 its reverse (4445123115), we get a palindrome (9558338559).

The spelling of 5113215444 in words is "five billion, one hundred thirteen million, two hundred fifteen thousand, four hundred forty-four".