51110044561543 has 8 divisors (see below), whose sum is σ = 55756975856400. Its totient is φ = 46463207201280.

The previous prime is 51110044561447. The next prime is 51110044561571. The reversal of 51110044561543 is 34516544001115.

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 51110044561543 - 2²¹ = 51110042464391 is a prime.

It is a super-2 number, since 2×51110044561543² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51110044561496 and 51110044561505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51110044361543) 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, 22343568 + ... + 24524581.

It is an arithmetic number, because the mean of its divisors is an integer number (6969621982050).

Almost surely, 2^{51110044561543} is an apocalyptic number.

51110044561543 is a deficient number, since it is larger than the sum of its proper divisors (4646931294857).

51110044561543 is a wasteful number, since it uses less digits than its factorization.

51110044561543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46967297.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 51110044561543 its reverse (34516544001115), we get a palindrome (85626588562658).

The spelling of 51110044561543 in words is "fifty-one trillion, one hundred ten billion, forty-four million, five hundred sixty-one thousand, five hundred forty-three".