51473690094161 has 4 divisors (see below), whose sum is σ = 51474137934912. Its totient is φ = 51473242253412.

The previous prime is 51473690094139. The next prime is 51473690094217. The reversal of 51473690094161 is 16149009637415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51473690094161 - 2²⁶ = 51473622985297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51473690094097 and 51473690094106.

It is not an unprimeable number, because it can be changed into a prime (51473690094361) 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, 223747925 + ... + 223977858.

It is an arithmetic number, because the mean of its divisors is an integer number (12868534483728).

Almost surely, 2^{51473690094161} is an apocalyptic number.

It is an amenable number.

51473690094161 is a deficient number, since it is larger than the sum of its proper divisors (447840751).

51473690094161 is a wasteful number, since it uses less digits than its factorization.

51473690094161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447840750.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 51473690094161 in words is "fifty-one trillion, four hundred seventy-three billion, six hundred ninety million, ninety-four thousand, one hundred sixty-one".