51206306302011 has 8 divisors (see below), whose sum is σ = 78028657222144. Its totient is φ = 29260746458280.

The previous prime is 51206306301989. The next prime is 51206306302051. The reversal of 51206306302011 is 11020360360215.

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

It is not a de Polignac number, because 51206306302011 - 2²² = 51206302107707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51206306302011.

It is not an unprimeable number, because it can be changed into a prime (51206306302051) 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, 1219197769075 + ... + 1219197769116.

It is an arithmetic number, because the mean of its divisors is an integer number (9753582152768).

Almost surely, 2^{51206306302011} is an apocalyptic number.

51206306302011 is a deficient number, since it is larger than the sum of its proper divisors (26822350920133).

51206306302011 is a wasteful number, since it uses less digits than its factorization.

51206306302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438395538201.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 51206306302011 its reverse (11020360360215), we get a palindrome (62226666662226).

The spelling of 51206306302011 in words is "fifty-one trillion, two hundred six billion, three hundred six million, three hundred two thousand, eleven".