11287126089 has 16 divisors (see below), whose sum is σ = 16726929600. Its totient is φ = 7522383168.

The previous prime is 11287126043. The next prime is 11287126117. The reversal of 11287126089 is 98062178211.

11287126089 is a `hidden beast` number, since 1 + 1 + 28 + 7 + 12 + 608 + 9 = 666.

It is not a de Polignac number, because 11287126089 - 2⁸ = 11287125833 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11287126289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23857 + ... + 152129.

It is an arithmetic number, because the mean of its divisors is an integer number (1045433100).

Almost surely, 2^11287126089 is an apocalyptic number.

It is an amenable number.

11287126089 is a deficient number, since it is larger than the sum of its proper divisors (5439803511).

11287126089 is a wasteful number, since it uses less digits than its factorization.

11287126089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131541 (or 131535 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

It can be divided in two parts, 1128 and 7126089, that added together give a palindrome (7127217).

The spelling of 11287126089 in words is "eleven billion, two hundred eighty-seven million, one hundred twenty-six thousand, eighty-nine".