5000050505161 has 4 divisors (see below), whose sum is σ = 5000055106500. Its totient is φ = 5000045903824.

The previous prime is 5000050505137. The next prime is 5000050505237. The reversal of 5000050505161 is 1615050500005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3361560903936 + 1638489601225 = 1833456^2 + 1280035^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000050505161 - 2¹¹ = 5000050503113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5000050505561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338355 + ... + 3180343.

It is an arithmetic number, because the mean of its divisors is an integer number (1250013776625).

Almost surely, 2^{5000050505161} is an apocalyptic number.

It is an amenable number.

5000050505161 is a deficient number, since it is larger than the sum of its proper divisors (4601339).

5000050505161 is a wasteful number, since it uses less digits than its factorization.

5000050505161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601338.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 5000050505161 in words is "five trillion, fifty million, five hundred five thousand, one hundred sixty-one".