51250203450120 has 128 divisors (see below), whose sum is σ = 154112372720640. Its totient is φ = 13634570177280.

The previous prime is 51250203450109. The next prime is 51250203450137. The reversal of 51250203450120 is 2105430205215.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641654427 + ... + 641734293.

It is an arithmetic number, because the mean of its divisors is an integer number (1204002911880).

Almost surely, 2^{51250203450120} is an apocalyptic number.

It is an amenable number.

51250203450120 is an abundant number, since it is smaller than the sum of its proper divisors (102862169270520).

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

51250203450120 is a wasteful number, since it uses less digits than its factorization.

51250203450120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92395 (or 92391 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 51250203450120 its reverse (2105430205215), we get a palindrome (53355633655335).

The spelling of 51250203450120 in words is "fifty-one trillion, two hundred fifty billion, two hundred three million, four hundred fifty thousand, one hundred twenty".