50161340611 has 4 divisors (see below), whose sum is σ = 50177004552. Its totient is φ = 50145676672.

The previous prime is 50161340569. The next prime is 50161340627. The reversal of 50161340611 is 11604316105.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50161340611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50161340611.

It is not an unprimeable number, because it can be changed into a prime (50161343611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7827166 + ... + 7833571.

It is an arithmetic number, because the mean of its divisors is an integer number (12544251138).

Almost surely, 2^50161340611 is an apocalyptic number.

50161340611 is a deficient number, since it is larger than the sum of its proper divisors (15663941).

50161340611 is a wasteful number, since it uses less digits than its factorization.

50161340611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15663940.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 50161340611 its reverse (11604316105), we get a palindrome (61765656716).

The spelling of 50161340611 in words is "fifty billion, one hundred sixty-one million, three hundred forty thousand, six hundred eleven".