11012442166161 has 12 divisors (see below), whose sum is σ = 15906890770420. Its totient is φ = 7341614327520.

The previous prime is 11012442166097. The next prime is 11012442166303. The reversal of 11012442166161 is 16166124421011.

11012442166161 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 24 + 4 + 2 + 16 + 616 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4351629635136 + 6660812531025 = 2086056^2 + 2580855^2 .

It is not a de Polignac number, because 11012442166161 - 2⁶ = 11012442166097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012442164161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6824451 + ... + 8282391.

Almost surely, 2^{11012442166161} is an apocalyptic number.

It is an amenable number.

11012442166161 is a deficient number, since it is larger than the sum of its proper divisors (4894448604259).

11012442166161 is a wasteful number, since it uses less digits than its factorization.

11012442166161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297216 (or 2297213 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Adding to 11012442166161 its reverse (16166124421011), we get a palindrome (27178566587172).

The spelling of 11012442166161 in words is "eleven trillion, twelve billion, four hundred forty-two million, one hundred sixty-six thousand, one hundred sixty-one".