51361116342 has 32 divisors (see below), whose sum is σ = 104643187200. Its totient is φ = 16802114208.

The previous prime is 51361116337. The next prime is 51361116361. The reversal of 51361116342 is 24361116315.

It is a happy number.

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, 129342 + ... + 345617.

It is an arithmetic number, because the mean of its divisors is an integer number (3270099600).

Almost surely, 2^51361116342 is an apocalyptic number.

51361116342 is an abundant number, since it is smaller than the sum of its proper divisors (53282070858).

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

51361116342 is a wasteful number, since it uses less digits than its factorization.

51361116342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475300.

The product of its digits is 12960, while the sum is 33.

The spelling of 51361116342 in words is "fifty-one billion, three hundred sixty-one million, one hundred sixteen thousand, three hundred forty-two".