5105251320 has 128 divisors (see below), whose sum is σ = 16545392640. Its totient is φ = 1252753920.

The previous prime is 5105251309. The next prime is 5105251381. The reversal of 5105251320 is 231525015.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511417 + ... + 521303.

It is an arithmetic number, because the mean of its divisors is an integer number (129260880).

Almost surely, 2^5105251320 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 5105251320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8272696320).

5105251320 is an abundant number, since it is smaller than the sum of its proper divisors (11440141320).

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

5105251320 is a wasteful number, since it uses less digits than its factorization.

5105251320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245 (or 10241 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 5105251320 is about 71451.0414199821. The cubic root of 5105251320 is about 1721.8912089431.

Adding to 5105251320 its reverse (231525015), we get a palindrome (5336776335).

The spelling of 5105251320 in words is "five billion, one hundred five million, two hundred fifty-one thousand, three hundred twenty".