50505115142321 has 16 divisors (see below), whose sum is σ = 60768944188800. Its totient is φ = 41004307565568.

The previous prime is 50505115142227. The next prime is 50505115142333. The reversal of 50505115142321 is 12324151150505.

It is a cyclic number.

It is not a de Polignac number, because 50505115142321 - 2³⁸ = 50230237235377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50505115142341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33353210 + ... + 34834563.

It is an arithmetic number, because the mean of its divisors is an integer number (3798059011800).

Almost surely, 2^{50505115142321} is an apocalyptic number.

It is an amenable number.

50505115142321 is a deficient number, since it is larger than the sum of its proper divisors (10263829046479).

50505115142321 is a wasteful number, since it uses less digits than its factorization.

50505115142321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68193368.

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 50505115142321 its reverse (12324151150505), we get a palindrome (62829266292826).

The spelling of 50505115142321 in words is "fifty trillion, five hundred five billion, one hundred fifteen million, one hundred forty-two thousand, three hundred twenty-one".