51205234014442 has 16 divisors (see below), whose sum is σ = 76816134004032. Its totient is φ = 25599856201920.

The previous prime is 51205234014401. The next prime is 51205234014481. The reversal of 51205234014442 is 24441043250215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066374018 + ... + 1066422034.

It is an arithmetic number, because the mean of its divisors is an integer number (4801008375252).

Almost surely, 2^{51205234014442} is an apocalyptic number.

51205234014442 is a deficient number, since it is larger than the sum of its proper divisors (25610899989590).

51205234014442 is a wasteful number, since it uses less digits than its factorization.

51205234014442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94413.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 51205234014442 its reverse (24441043250215), we get a palindrome (75646277264657).

The spelling of 51205234014442 in words is "fifty-one trillion, two hundred five billion, two hundred thirty-four million, fourteen thousand, four hundred forty-two".