51934612365121 has 8 divisors (see below), whose sum is σ = 52089235238664. Its totient is φ = 51779992535040.

The previous prime is 51934612365109. The next prime is 51934612365127. The reversal of 51934612365121 is 12156321643915.

It can be written as a sum of positive squares in 4 ways, for example, as 47679025 + 51934564686096 = 6905^2 + 7206564^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 51934612365121 - 2⁷ = 51934612364993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51934612365127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36067641 + ... + 37479913.

It is an arithmetic number, because the mean of its divisors is an integer number (6511154404833).

Almost surely, 2^{51934612365121} is an apocalyptic number.

It is an amenable number.

51934612365121 is a deficient number, since it is larger than the sum of its proper divisors (154622873543).

51934612365121 is a wasteful number, since it uses less digits than its factorization.

51934612365121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521731.

The product of its digits is 1166400, while the sum is 49.

The spelling of 51934612365121 in words is "fifty-one trillion, nine hundred thirty-four billion, six hundred twelve million, three hundred sixty-five thousand, one hundred twenty-one".