51417022408081 has 16 divisors (see below), whose sum is σ = 56616068044800. Its totient is φ = 46305592704000.

The previous prime is 51417022408051. The next prime is 51417022408183. The reversal of 51417022408081 is 18080422071415.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51417022408081 is a prime.

It is a super-2 number, since 2×51417022408081² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51417022408051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2827056 + ... + 10527406.

It is an arithmetic number, because the mean of its divisors is an integer number (3538504252800).

Almost surely, 2^{51417022408081} is an apocalyptic number.

It is an amenable number.

51417022408081 is a deficient number, since it is larger than the sum of its proper divisors (5199045636719).

51417022408081 is a wasteful number, since it uses less digits than its factorization.

51417022408081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706040.

The product of its (nonzero) digits is 143360, while the sum is 43.

Adding to 51417022408081 its reverse (18080422071415), we get a palindrome (69497444479496).

The spelling of 51417022408081 in words is "fifty-one trillion, four hundred seventeen billion, twenty-two million, four hundred eight thousand, eighty-one".