51135304225422 has 64 divisors (see below), whose sum is σ = 108444079941120. Its totient is φ = 16029380542464.

The previous prime is 51135304225417. The next prime is 51135304225433. The reversal of 51135304225422 is 22452240353115.

51135304225422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51135304225422² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407770143 + ... + 407895525.

It is an arithmetic number, because the mean of its divisors is an integer number (1694438749080).

Almost surely, 2^{51135304225422} is an apocalyptic number.

51135304225422 is an abundant number, since it is smaller than the sum of its proper divisors (57308775715698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51135304225422 is a wasteful number, since it uses less digits than its factorization.

51135304225422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151657.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 51135304225422 its reverse (22452240353115), we get a palindrome (73587544578537).

The spelling of 51135304225422 in words is "fifty-one trillion, one hundred thirty-five billion, three hundred four million, two hundred twenty-five thousand, four hundred twenty-two".