51025341304 has 80 divisors (see below), whose sum is σ = 111766622400. Its totient is φ = 21837586176.

The previous prime is 51025341259. The next prime is 51025341331. The reversal of 51025341304 is 40314352015.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18764857 + ... + 18767575.

It is an arithmetic number, because the mean of its divisors is an integer number (1397082780).

Almost surely, 2^51025341304 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 51025341304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55883311200).

51025341304 is an abundant number, since it is smaller than the sum of its proper divisors (60741281096).

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

51025341304 is an equidigital number, since it uses as much as digits as its factorization.

51025341304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 3705 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 51025341304 its reverse (40314352015), we get a palindrome (91339693319).

The spelling of 51025341304 in words is "fifty-one billion, twenty-five million, three hundred forty-one thousand, three hundred four".