11136789 has 12 divisors (see below), whose sum is σ = 16479372. Its totient is φ = 7243200.

The previous prime is 11136779. The next prime is 11136803. The reversal of 11136789 is 98763111.

It can be written as a sum of positive squares in 2 ways, for example, as 2387025 + 8749764 = 1545^2 + 2958^2 .

It is not a de Polignac number, because 11136789 - 2¹⁵ = 11104021 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11136739) 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, 14722 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (1373281).

Almost surely, 2^11136789 is an apocalyptic number.

It is an amenable number.

11136789 is a deficient number, since it is larger than the sum of its proper divisors (5342583).

11136789 is a wasteful number, since it uses less digits than its factorization.

11136789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30228 (or 30225 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11136789 is about 3337.1827939147. The cubic root of 11136789 is about 223.3160806949.

The spelling of 11136789 in words is "eleven million, one hundred thirty-six thousand, seven hundred eighty-nine".