11489269042081 has 6 divisors (see below), whose sum is σ = 11680705401846. Its totient is φ = 11300920365600.

The previous prime is 11489269042079. The next prime is 11489269042087. The reversal of 11489269042081 is 18024096298411.

11489269042081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3247294100625 + 8241974941456 = 1802025^2 + 2870884^2 .

It is not a de Polignac number, because 11489269042081 - 2¹ = 11489269042079 is a prime.

It is a super-2 number, since 2×11489269042081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11489269042087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1543837860 + ... + 1543845301.

It is an arithmetic number, because the mean of its divisors is an integer number (1946784233641).

Almost surely, 2^{11489269042081} is an apocalyptic number.

It is an amenable number.

11489269042081 is a deficient number, since it is larger than the sum of its proper divisors (191436359765).

11489269042081 is an frugal number, since it uses more digits than its factorization.

11489269042081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087683283 (or 3087683222 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 55.

The spelling of 11489269042081 in words is "eleven trillion, four hundred eighty-nine billion, two hundred sixty-nine million, forty-two thousand, eighty-one".