5101815380 has 48 divisors (see below), whose sum is σ = 11236579200. Its totient is φ = 1942055808.

The previous prime is 5101815371. The next prime is 5101815391. The reversal of 5101815380 is 835181015.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 62471 + ... + 118769.

It is an arithmetic number, because the mean of its divisors is an integer number (234095400).

Almost surely, 2^5101815380 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 5101815380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5618289600).

5101815380 is an abundant number, since it is smaller than the sum of its proper divisors (6134763820).

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

5101815380 is a wasteful number, since it uses less digits than its factorization.

5101815380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56528 (or 56526 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 32.

The square root of 5101815380 is about 71426.9933568535. The cubic root of 5101815380 is about 1721.5048327543.

Adding to 5101815380 its reverse (835181015), we get a palindrome (5936996395).

The spelling of 5101815380 in words is "five billion, one hundred one million, eight hundred fifteen thousand, three hundred eighty".