11489895 has 24 divisors (see below), whose sum is σ = 20004192. Its totient is φ = 6100800.

The previous prime is 11489873. The next prime is 11489911. The reversal of 11489895 is 59898411.

11489895 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11489895 - 2⁹ = 11489383 is a prime.

It is a super-2 number, since 2×11489895² = 264035374222050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11489895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13585 + ... + 14405.

It is an arithmetic number, because the mean of its divisors is an integer number (833508).

Almost surely, 2^11489895 is an apocalyptic number.

11489895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11489895 is a deficient number, since it is larger than the sum of its proper divisors (8514297).

11489895 is a wasteful number, since it uses less digits than its factorization.

11489895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1140 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 11489895 is about 3389.6747631594. The cubic root of 11489895 is about 225.6517399625.

It can be divided in two parts, 114 and 89895, that added together give a palindrome (90009).

The spelling of 11489895 in words is "eleven million, four hundred eighty-nine thousand, eight hundred ninety-five".