51142502324320 has 96 divisors (see below), whose sum is σ = 131885764012800. Its totient is φ = 18586326474240.

The previous prime is 51142502324299. The next prime is 51142502324371. The reversal of 51142502324320 is 2342320524115.

It is a congruent number.

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, 5561332 + ... + 11541811.

It is an arithmetic number, because the mean of its divisors is an integer number (1373810041800).

Almost surely, 2^{51142502324320} is an apocalyptic number.

It is an amenable number.

51142502324320 is an abundant number, since it is smaller than the sum of its proper divisors (80743261688480).

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

51142502324320 is a wasteful number, since it uses less digits than its factorization.

51142502324320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17104868 (or 17104860 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 51142502324320 its reverse (2342320524115), we get a palindrome (53484822848435).

The spelling of 51142502324320 in words is "fifty-one trillion, one hundred forty-two billion, five hundred two million, three hundred twenty-four thousand, three hundred twenty".