1126441817281 has 16 divisors (see below), whose sum is σ = 1236838337280. Its totient is φ = 1017397221120.

The previous prime is 1126441817231. The next prime is 1126441817311. The reversal of 1126441817281 is 1827181446211.

It is a cyclic number.

It is not a de Polignac number, because 1126441817281 - 2³³ = 1117851882689 is a prime.

It is a super-2 number, since 2×1126441817281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126441817201) 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, 643591 + ... + 1633123.

It is an arithmetic number, because the mean of its divisors is an integer number (77302396080).

Almost surely, 2^{1126441817281} is an apocalyptic number.

1126441817281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1126441817281 is a deficient number, since it is larger than the sum of its proper divisors (110396519999).

1126441817281 is a wasteful number, since it uses less digits than its factorization.

1126441817281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990216.

The product of its digits is 172032, while the sum is 46.

The spelling of 1126441817281 in words is "one trillion, one hundred twenty-six billion, four hundred forty-one million, eight hundred seventeen thousand, two hundred eighty-one".