51022042342151 has 4 divisors (see below), whose sum is σ = 52781423112600. Its totient is φ = 49262661571704.

The previous prime is 51022042342109. The next prime is 51022042342163. The reversal of 51022042342151 is 15124324022015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51022042342151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51022042342181) 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, 879690385181 + ... + 879690385238.

It is an arithmetic number, because the mean of its divisors is an integer number (13195355778150).

Almost surely, 2^{51022042342151} is an apocalyptic number.

51022042342151 is a deficient number, since it is larger than the sum of its proper divisors (1759380770449).

51022042342151 is a wasteful number, since it uses less digits than its factorization.

51022042342151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759380770448.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 51022042342151 its reverse (15124324022015), we get a palindrome (66146366364166).

The spelling of 51022042342151 in words is "fifty-one trillion, twenty-two billion, forty-two million, three hundred forty-two thousand, one hundred fifty-one".