51120501324142 has 32 divisors (see below), whose sum is σ = 80254075809600. Its totient is φ = 24375809779200.

The previous prime is 51120501324127. The next prime is 51120501324197. The reversal of 51120501324142 is 24142310502115.

It is a super-2 number, since 2×51120501324142² (a number of 28 digits) contains 22 as substring.

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, 129856918 + ... + 130249990.

It is an arithmetic number, because the mean of its divisors is an integer number (2507939869050).

Almost surely, 2^{51120501324142} is an apocalyptic number.

51120501324142 is a deficient number, since it is larger than the sum of its proper divisors (29133574485458).

51120501324142 is a wasteful number, since it uses less digits than its factorization.

51120501324142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401548.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 51120501324142 its reverse (24142310502115), we get a palindrome (75262811826257).

The spelling of 51120501324142 in words is "fifty-one trillion, one hundred twenty billion, five hundred one million, three hundred twenty-four thousand, one hundred forty-two".