51833365141 has 4 divisors (see below), whose sum is σ = 51833846412. Its totient is φ = 51832883872.

The previous prime is 51833365139. The next prime is 51833365153. The reversal of 51833365141 is 14156333815.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10656432900 + 41176932241 = 103230^2 + 202921^2 .

It is a cyclic number.

It is not a de Polignac number, because 51833365141 - 2¹ = 51833365139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51833365094 and 51833365103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51833365121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435 + ... + 321991.

It is an arithmetic number, because the mean of its divisors is an integer number (12958461603).

Almost surely, 2^51833365141 is an apocalyptic number.

It is an amenable number.

51833365141 is a deficient number, since it is larger than the sum of its proper divisors (481271).

51833365141 is a wasteful number, since it uses less digits than its factorization.

51833365141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481270.

The product of its digits is 129600, while the sum is 40.

Adding to 51833365141 its reverse (14156333815), we get a palindrome (65989698956).

The spelling of 51833365141 in words is "fifty-one billion, eight hundred thirty-three million, three hundred sixty-five thousand, one hundred forty-one".