51243035055141 has 32 divisors (see below), whose sum is σ = 71949564371968. Its totient is φ = 32399456094720.

The previous prime is 51243035055139. The next prime is 51243035055161. The reversal of 51243035055141 is 14155053034215.

It is not a de Polignac number, because 51243035055141 - 2¹ = 51243035055139 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 51243035055141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51243035055161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22972186 + ... + 25103931.

It is an arithmetic number, because the mean of its divisors is an integer number (2248423886624).

Almost surely, 2^{51243035055141} is an apocalyptic number.

It is an amenable number.

51243035055141 is a deficient number, since it is larger than the sum of its proper divisors (20706529316827).

51243035055141 is a wasteful number, since it uses less digits than its factorization.

51243035055141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48076381.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 51243035055141 its reverse (14155053034215), we get a palindrome (65398088089356).

The spelling of 51243035055141 in words is "fifty-one trillion, two hundred forty-three billion, thirty-five million, fifty-five thousand, one hundred forty-one".