11259885 has 64 divisors (see below), whose sum is σ = 22675968. Its totient is φ = 4644864.

The previous prime is 11259869. The next prime is 11259889. The reversal of 11259885 is 58895211.

11259885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

11259885 is a nontrivial binomial coefficient, being equal to C(4746, 2).

It is not a de Polignac number, because 11259885 - 2⁴ = 11259869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11259889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99589 + ... + 99701.

It is an arithmetic number, because the mean of its divisors is an integer number (354312).

Almost surely, 2^11259885 is an apocalyptic number.

11259885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11259885 is the 4745-th triangular number and also the 2373-rd hexagonal number.

It is an amenable number.

11259885 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

11259885 is a wasteful number, since it uses less digits than its factorization.

11259885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214.

The product of its digits is 28800, while the sum is 39.

The square root of 11259885 is about 3355.5752114950. The cubic root of 11259885 is about 224.1358457985.

The spelling of 11259885 in words is "eleven million, two hundred fifty-nine thousand, eight hundred eighty-five".