51144211543 has 8 divisors (see below), whose sum is σ = 51381813600. Its totient is φ = 50907118080.

The previous prime is 51144211541. The next prime is 51144211577. The reversal of 51144211543 is 34511244115.

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 51144211543 - 2¹ = 51144211541 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 (51144211541) 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, 75183 + ... + 328543.

It is an arithmetic number, because the mean of its divisors is an integer number (6422726700).

Almost surely, 2^51144211543 is an apocalyptic number.

51144211543 is a deficient number, since it is larger than the sum of its proper divisors (237602057).

51144211543 is a wasteful number, since it uses less digits than its factorization.

51144211543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254297.

The product of its digits is 9600, while the sum is 31.

Adding to 51144211543 its reverse (34511244115), we get a palindrome (85655455658).

The spelling of 51144211543 in words is "fifty-one billion, one hundred forty-four million, two hundred eleven thousand, five hundred forty-three".