51025122230720 has 112 divisors (see below), whose sum is σ = 132931341399168. Its totient is φ = 18501118018560.

The previous prime is 51025122230683. The next prime is 51025122230749. The reversal of 51025122230720 is 2703222152015.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19665842 + ... + 22108721.

Almost surely, 2^{51025122230720} is an apocalyptic number.

It is an amenable number.

51025122230720 is an abundant number, since it is smaller than the sum of its proper divisors (81906219168448).

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

51025122230720 is a wasteful number, since it uses less digits than its factorization.

51025122230720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41774938 (or 41774928 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 51025122230720 its reverse (2703222152015), we get a palindrome (53728344382735).

The spelling of 51025122230720 in words is "fifty-one trillion, twenty-five billion, one hundred twenty-two million, two hundred thirty thousand, seven hundred twenty".