51422154211 has 8 divisors (see below), whose sum is σ = 54144158400. Its totient is φ = 48701707560.

The previous prime is 51422154209. The next prime is 51422154271. The reversal of 51422154211 is 11245122415.

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 51422154211 - 2¹ = 51422154209 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 51422154211.

It is not an unprimeable number, because it can be changed into a prime (51422154271) 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, 321301 + ... + 453958.

It is an arithmetic number, because the mean of its divisors is an integer number (6768019800).

Almost surely, 2^51422154211 is an apocalyptic number.

51422154211 is a deficient number, since it is larger than the sum of its proper divisors (2722004189).

51422154211 is a wasteful number, since it uses less digits than its factorization.

51422154211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778769.

The product of its digits is 3200, while the sum is 28.

Adding to 51422154211 its reverse (11245122415), we get a palindrome (62667276626).

The spelling of 51422154211 in words is "fifty-one billion, four hundred twenty-two million, one hundred fifty-four thousand, two hundred eleven".