1126440211161 has 16 divisors (see below), whose sum is σ = 1513627577280. Its totient is φ = 745125226560.

The previous prime is 1126440211153. The next prime is 1126440211189. The reversal of 1126440211161 is 1611120446211.

It is not a de Polignac number, because 1126440211161 - 2³ = 1126440211153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126440211111) 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, 2100846 + ... + 2581943.

It is an arithmetic number, because the mean of its divisors is an integer number (94601723580).

Almost surely, 2^{1126440211161} is an apocalyptic number.

It is an amenable number.

1126440211161 is a deficient number, since it is larger than the sum of its proper divisors (387187366119).

1126440211161 is a wasteful number, since it uses less digits than its factorization.

1126440211161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683416.

The product of its (nonzero) digits is 2304, while the sum is 30.

Adding to 1126440211161 its reverse (1611120446211), we get a palindrome (2737560657372).

The spelling of 1126440211161 in words is "one trillion, one hundred twenty-six billion, four hundred forty million, two hundred eleven thousand, one hundred sixty-one".