51370031011140 has 288 divisors, whose sum is σ = 166477556044800. Its totient is φ = 12790749388032.

The previous prime is 51370031011133. The next prime is 51370031011151. The reversal of 51370031011140 is 4111013007315.

51370031011140 is a `hidden beast` number, since 51 + 370 + 0 + 3 + 101 + 1 + 140 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 302371059 + ... + 302540901.

It is an arithmetic number, because the mean of its divisors is an integer number (578047069600).

Almost surely, 2^{51370031011140} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51370031011140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83238778022400).

51370031011140 is an abundant number, since it is smaller than the sum of its proper divisors (115107525033660).

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

51370031011140 is a wasteful number, since it uses less digits than its factorization.

51370031011140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171623 (or 171618 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

Adding to 51370031011140 its reverse (4111013007315), we get a palindrome (55481044018455).

The spelling of 51370031011140 in words is "fifty-one trillion, three hundred seventy billion, thirty-one million, eleven thousand, one hundred forty".