51244540145341 has 4 divisors (see below), whose sum is σ = 51248389369212. Its totient is φ = 51240690921472.

The previous prime is 51244540145329. The next prime is 51244540145353. The reversal of 51244540145341 is 14354104544215.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (51244540145329) and next prime (51244540145353).

It can be written as a sum of positive squares in 2 ways, for example, as 16217969339716 + 35026570805625 = 4027154^2 + 5918325^2 .

It is a cyclic number.

It is not a de Polignac number, because 51244540145341 - 2⁹ = 51244540144829 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 (51244540145641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924591966 + ... + 1924618591.

It is an arithmetic number, because the mean of its divisors is an integer number (12812097342303).

Almost surely, 2^{51244540145341} is an apocalyptic number.

It is an amenable number.

51244540145341 is a deficient number, since it is larger than the sum of its proper divisors (3849223871).

51244540145341 is a wasteful number, since it uses less digits than its factorization.

51244540145341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849223870.

The product of its (nonzero) digits is 768000, while the sum is 43.

Adding to 51244540145341 its reverse (14354104544215), we get a palindrome (65598644689556).

The spelling of 51244540145341 in words is "fifty-one trillion, two hundred forty-four billion, five hundred forty million, one hundred forty-five thousand, three hundred forty-one".