50161605113 has 2 divisors, whose sum is σ = 50161605114. Its totient is φ = 50161605112.

The previous prime is 50161605041. The next prime is 50161605161. The reversal of 50161605113 is 31150616105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40223110249 + 9938494864 = 200557^2 + 99692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50161605113 is a prime.

It is not a weakly prime, because it can be changed into another prime (50161605173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25080802556 + 25080802557.

It is an arithmetic number, because the mean of its divisors is an integer number (25080802557).

Almost surely, 2^50161605113 is an apocalyptic number.

It is an amenable number.

50161605113 is a deficient number, since it is larger than the sum of its proper divisors (1).

50161605113 is an equidigital number, since it uses as much as digits as its factorization.

50161605113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The spelling of 50161605113 in words is "fifty billion, one hundred sixty-one million, six hundred five thousand, one hundred thirteen".