51081134560372 has 24 divisors (see below), whose sum is σ = 102525835930560. Its totient is φ = 21814007638080.

The previous prime is 51081134560369. The next prime is 51081134560397. The reversal of 51081134560372 is 27306543118015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3246124222 + ... + 3246139957.

It is an arithmetic number, because the mean of its divisors is an integer number (4271909830440).

Almost surely, 2^{51081134560372} is an apocalyptic number.

It is an amenable number.

51081134560372 is an abundant number, since it is smaller than the sum of its proper divisors (51444701370188).

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

51081134560372 is a wasteful number, since it uses less digits than its factorization.

51081134560372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492264471 (or 6492264469 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

Adding to 51081134560372 its reverse (27306543118015), we get a palindrome (78387677678387).

The spelling of 51081134560372 in words is "fifty-one trillion, eighty-one billion, one hundred thirty-four million, five hundred sixty thousand, three hundred seventy-two".