51348370573218 has 32 divisors (see below), whose sum is σ = 106240309560000. Its totient is φ = 16525554360896.

The previous prime is 51348370573163. The next prime is 51348370573307. The reversal of 51348370573218 is 81237507384315.

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, 4917580 + ... + 11264072.

It is an arithmetic number, because the mean of its divisors is an integer number (3320009673750).

Almost surely, 2^{51348370573218} is an apocalyptic number.

51348370573218 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

51348370573218 is an abundant number, since it is smaller than the sum of its proper divisors (54891938986782).

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

51348370573218 is a wasteful number, since it uses less digits than its factorization.

51348370573218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393026.

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 51348370573218 in words is "fifty-one trillion, three hundred forty-eight billion, three hundred seventy million, five hundred seventy-three thousand, two hundred eighteen".