7112022157161 has 20 divisors (see below), whose sum is σ = 10769667926292. Its totient is φ = 4676398126848.

The previous prime is 7112022157151. The next prime is 7112022157181. The reversal of 7112022157161 is 1617512202117.

It is a happy number.

7112022157161 is a `hidden beast` number, since 7 + 1 + 1 + 2 + 0 + 2 + 21 + 571 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3172317210000 + 3939704947161 = 1781100^2 + 1984869^2 .

It is not a de Polignac number, because 7112022157161 - 2⁹ = 7112022156649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7112022157151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 601382736 + ... + 601394561.

Almost surely, 2^{7112022157161} is an apocalyptic number.

It is an amenable number.

7112022157161 is a deficient number, since it is larger than the sum of its proper divisors (3657645769131).

7112022157161 is a wasteful number, since it uses less digits than its factorization.

7112022157161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202777382 (or 1202777373 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

Adding to 7112022157161 its reverse (1617512202117), we get a palindrome (8729534359278).

The spelling of 7112022157161 in words is "seven trillion, one hundred twelve billion, twenty-two million, one hundred fifty-seven thousand, one hundred sixty-one".