51086537423778 has 8 divisors (see below), whose sum is σ = 102173074847568. Its totient is φ = 17028845807924.

The previous prime is 51086537423771. The next prime is 51086537423791. The reversal of 51086537423778 is 87732473568015.

It is a sphenic number, since it is the product of 3 distinct primes.

51086537423778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51086537423771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4257211451976 + ... + 4257211451987.

It is an arithmetic number, because the mean of its divisors is an integer number (12771634355946).

Almost surely, 2^{51086537423778} is an apocalyptic number.

51086537423778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51086537423778 is a wasteful number, since it uses less digits than its factorization.

51086537423778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514422903968.

The product of its (nonzero) digits is 237081600, while the sum is 66.

The spelling of 51086537423778 in words is "fifty-one trillion, eighty-six billion, five hundred thirty-seven million, four hundred twenty-three thousand, seven hundred seventy-eight".