2275213241161 has 9 divisors (see below), whose sum is σ = 2646688910061. Its totient is φ = 1950173727852.

The previous prime is 2275213241149. The next prime is 2275213241201. The reversal of 2275213241161 is 1611423125722.

The square root of 2275213241161 is 1508381.

It is a perfect power (a square), and thus also a powerful number.

2275213241161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2275213241161 - 2¹⁵ = 2275213208393 is a prime.

It is a super-3 number, since 3×2275213241161³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2275213241161.

It is not an unprimeable number, because it can be changed into a prime (2275213241101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10450926 + ... + 10666408.

Almost surely, 2^{2275213241161} is an apocalyptic number.

2275213241161 is the 1508381-st square number.

2275213241161 is the 754191-st centered octagonal number.

It is an amenable number.

2275213241161 is a deficient number, since it is larger than the sum of its proper divisors (371475668900).

2275213241161 is an frugal number, since it uses more digits than its factorization.

2275213241161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430980 (or 215490 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

Adding to 2275213241161 its reverse (1611423125722), we get a palindrome (3886636366883).

The spelling of 2275213241161 in words is "two trillion, two hundred seventy-five billion, two hundred thirteen million, two hundred forty-one thousand, one hundred sixty-one".