5221281153161 has 16 divisors (see below), whose sum is σ = 5550517820160. Its totient is φ = 4897538848080.

The previous prime is 5221281153133. The next prime is 5221281153163. The reversal of 5221281153161 is 1613511821225.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5221281153161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221281153163) 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, 2972690 + ... + 4390836.

It is an arithmetic number, because the mean of its divisors is an integer number (346907363760).

Almost surely, 2^{5221281153161} is an apocalyptic number.

It is an amenable number.

5221281153161 is a deficient number, since it is larger than the sum of its proper divisors (329236666999).

5221281153161 is a wasteful number, since it uses less digits than its factorization.

5221281153161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420084.

The product of its digits is 28800, while the sum is 38.

Adding to 5221281153161 its reverse (1613511821225), we get a palindrome (6834792974386).

The spelling of 5221281153161 in words is "five trillion, two hundred twenty-one billion, two hundred eighty-one million, one hundred fifty-three thousand, one hundred sixty-one".