51413250120 has 64 divisors (see below), whose sum is σ = 155047357440. Its totient is φ = 13638412800.

The previous prime is 51413250073. The next prime is 51413250131. The reversal of 51413250120 is 2105231415.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098661 + ... + 1144500.

It is an arithmetic number, because the mean of its divisors is an integer number (2422614960).

Almost surely, 2^51413250120 is an apocalyptic number.

It is an amenable number.

51413250120 is an abundant number, since it is smaller than the sum of its proper divisors (103634107320).

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

51413250120 is a wasteful number, since it uses less digits than its factorization.

51413250120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243366 (or 2243362 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 51413250120 its reverse (2105231415), we get a palindrome (53518481535).

The spelling of 51413250120 in words is "fifty-one billion, four hundred thirteen million, two hundred fifty thousand, one hundred twenty".