51323201121 has 8 divisors (see below), whose sum is σ = 71406192960. Its totient is φ = 32727838352.

The previous prime is 51323201063. The next prime is 51323201159. The reversal of 51323201121 is 12110232315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51323201121 - 2¹⁸ = 51322938977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51323201921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371907186 + ... + 371907323.

It is an arithmetic number, because the mean of its divisors is an integer number (8925774120).

Almost surely, 2^51323201121 is an apocalyptic number.

It is an amenable number.

51323201121 is a deficient number, since it is larger than the sum of its proper divisors (20082991839).

51323201121 is a wasteful number, since it uses less digits than its factorization.

51323201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743814535.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 51323201121 its reverse (12110232315), we get a palindrome (63433433436).

The spelling of 51323201121 in words is "fifty-one billion, three hundred twenty-three million, two hundred one thousand, one hundred twenty-one".