5115421300 has 144 divisors (see below), whose sum is σ = 12804180480. Its totient is φ = 1754352000.

The previous prime is 5115421279. The next prime is 5115421301. The reversal of 5115421300 is 31245115.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115421301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6499507 + ... + 6500293.

It is an arithmetic number, because the mean of its divisors is an integer number (88917920).

Almost surely, 2^5115421300 is an apocalyptic number.

5115421300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5115421300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6402090240).

5115421300 is an abundant number, since it is smaller than the sum of its proper divisors (7688759180).

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

5115421300 is a wasteful number, since it uses less digits than its factorization.

5115421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5115421300 is about 71522.1734848711. The cubic root of 5115421300 is about 1723.0338222280.

Adding to 5115421300 its reverse (31245115), we get a palindrome (5146666415).

The spelling of 5115421300 in words is "five billion, one hundred fifteen million, four hundred twenty-one thousand, three hundred".