5302111520 has 96 divisors (see below), whose sum is σ = 12794976432. Its totient is φ = 2075553792.

The previous prime is 5302111459. The next prime is 5302111541. The reversal of 5302111520 is 251112035.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3130178704 + 2171932816 = 55948^2 + 46604^2 .

It is a super-2 number, since 2×5302111520² = 56224773141033420800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5302111492 and 5302111501.

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, 6215414 + ... + 6216266.

Almost surely, 2^5302111520 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 5302111520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6397488216).

5302111520 is an abundant number, since it is smaller than the sum of its proper divisors (7492864912).

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

5302111520 is a wasteful number, since it uses less digits than its factorization.

5302111520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 5302111520 is about 72815.5994275952. The cubic root of 5302111520 is about 1743.7449091033.

Adding to 5302111520 its reverse (251112035), we get a palindrome (5553223555).

The spelling of 5302111520 in words is "five billion, three hundred two million, one hundred eleven thousand, five hundred twenty".