51225602115320 has 32 divisors (see below), whose sum is σ = 115964706643920. Its totient is φ = 20364533844480.

The previous prime is 51225602115251. The next prime is 51225602115323. The reversal of 51225602115320 is 2351120652215.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51225602115323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928337201 + ... + 3928350240.

Almost surely, 2^{51225602115320} is an apocalyptic number.

It is an amenable number.

51225602115320 is an abundant number, since it is smaller than the sum of its proper divisors (64739104528600).

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

51225602115320 is a wasteful number, since it uses less digits than its factorization.

51225602115320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856687615 (or 7856687611 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 51225602115320 its reverse (2351120652215), we get a palindrome (53576722767535).

The spelling of 51225602115320 in words is "fifty-one trillion, two hundred twenty-five billion, six hundred two million, one hundred fifteen thousand, three hundred twenty".