50507161705121 has 16 divisors (see below), whose sum is σ = 56004296745600. Its totient is φ = 45161018102400.

The previous prime is 50507161704971. The next prime is 50507161705183. The reversal of 50507161705121 is 12150716170505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50507161705121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50507161705621) 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, 14799845 + ... + 17889933.

It is an arithmetic number, because the mean of its divisors is an integer number (3500268546600).

Almost surely, 2^{50507161705121} is an apocalyptic number.

It is an amenable number.

50507161705121 is a deficient number, since it is larger than the sum of its proper divisors (5497135040479).

50507161705121 is a wasteful number, since it uses less digits than its factorization.

50507161705121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114520.

The product of its (nonzero) digits is 73500, while the sum is 41.

Adding to 50507161705121 its reverse (12150716170505), we get a palindrome (62657877875626).

The spelling of 50507161705121 in words is "fifty trillion, five hundred seven billion, one hundred sixty-one million, seven hundred five thousand, one hundred twenty-one".