5042552223161 has 4 divisors (see below), whose sum is σ = 5261793624192. Its totient is φ = 4823310822132.

The previous prime is 5042552223139. The next prime is 5042552223173. The reversal of 5042552223161 is 1613222552405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5042552223161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5042552223101) 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, 109620700481 + ... + 109620700526.

It is an arithmetic number, because the mean of its divisors is an integer number (1315448406048).

Almost surely, 2^{5042552223161} is an apocalyptic number.

It is an amenable number.

5042552223161 is a deficient number, since it is larger than the sum of its proper divisors (219241401031).

5042552223161 is a wasteful number, since it uses less digits than its factorization.

5042552223161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219241401030.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 5042552223161 its reverse (1613222552405), we get a palindrome (6655774775566).

The spelling of 5042552223161 in words is "five trillion, forty-two billion, five hundred fifty-two million, two hundred twenty-three thousand, one hundred sixty-one".