50005121521351 has 8 divisors (see below), whose sum is σ = 51730934890320. Its totient is φ = 48279408074688.

The previous prime is 50005121521259. The next prime is 50005121521361. The reversal of 50005121521351 is 15312512150005.

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 50005121521351 - 2¹¹ = 50005121519303 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 (50005121521361) 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, 23961721 + ... + 25964866.

It is an arithmetic number, because the mean of its divisors is an integer number (6466366861290).

Almost surely, 2^{50005121521351} is an apocalyptic number.

50005121521351 is a deficient number, since it is larger than the sum of its proper divisors (1725813368969).

50005121521351 is a wasteful number, since it uses less digits than its factorization.

50005121521351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49961153.

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 50005121521351 its reverse (15312512150005), we get a palindrome (65317633671356).

The spelling of 50005121521351 in words is "fifty trillion, five billion, one hundred twenty-one million, five hundred twenty-one thousand, three hundred fifty-one".