5135252544 has 84 divisors (see below), whose sum is σ = 14733689100. Its totient is φ = 1710074880.

The previous prime is 5135252537. The next prime is 5135252567. The reversal of 5135252544 is 4452525315.

5135252544 is a `hidden beast` number, since 5 + 13 + 52 + 52 + 544 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4515840000 + 619412544 = 67200^2 + 24888^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5135252499 and 5135252508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676482 + ... + 684030.

Almost surely, 2^5135252544 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 5135252544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7366844550).

5135252544 is an abundant number, since it is smaller than the sum of its proper divisors (9598436556).

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

5135252544 is a wasteful number, since it uses less digits than its factorization.

5135252544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8748 (or 8735 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 5135252544 is about 71660.6764132184. The cubic root of 5135252544 is about 1725.2575454151.

Adding to 5135252544 its reverse (4452525315), we get a palindrome (9587777859).

The spelling of 5135252544 in words is "five billion, one hundred thirty-five million, two hundred fifty-two thousand, five hundred forty-four".