51213331141 has 16 divisors (see below), whose sum is σ = 59090964480. Its totient is φ = 43476260400.

The previous prime is 51213331123. The next prime is 51213331157. The reversal of 51213331141 is 14113331215.

It is a cyclic number.

It is not a de Polignac number, because 51213331141 - 2²³ = 51204942533 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 (51213331111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5357316 + ... + 5366866.

It is an arithmetic number, because the mean of its divisors is an integer number (3693185280).

Almost surely, 2^51213331141 is an apocalyptic number.

It is an amenable number.

51213331141 is a deficient number, since it is larger than the sum of its proper divisors (7877633339).

51213331141 is a wasteful number, since it uses less digits than its factorization.

51213331141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16824.

The product of its digits is 1080, while the sum is 25.

Adding to 51213331141 its reverse (14113331215), we get a palindrome (65326662356).

The spelling of 51213331141 in words is "fifty-one billion, two hundred thirteen million, three hundred thirty-one thousand, one hundred forty-one".