51143213201 has 8 divisors (see below), whose sum is σ = 52861670400. Its totient is φ = 49429048320.

The previous prime is 51143213189. The next prime is 51143213203. The reversal of 51143213201 is 10231234115.

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 51143213201 - 2¹⁴ = 51143196817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51143213203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048841 + ... + 1096518.

It is an arithmetic number, because the mean of its divisors is an integer number (6607708800).

Almost surely, 2^51143213201 is an apocalyptic number.

It is an amenable number.

51143213201 is a deficient number, since it is larger than the sum of its proper divisors (1718457199).

51143213201 is a wasteful number, since it uses less digits than its factorization.

51143213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146159.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 51143213201 its reverse (10231234115), we get a palindrome (61374447316).

The spelling of 51143213201 in words is "fifty-one billion, one hundred forty-three million, two hundred thirteen thousand, two hundred one".