11149885 has 16 divisors (see below), whose sum is σ = 13749120. Its totient is φ = 8677440.

The previous prime is 11149877. The next prime is 11149889. The reversal of 11149885 is 58894111.

It is not a de Polignac number, because 11149885 - 2³ = 11149877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11149889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42264 + ... + 42526.

It is an arithmetic number, because the mean of its divisors is an integer number (859320).

Almost surely, 2^11149885 is an apocalyptic number.

It is an amenable number.

11149885 is a deficient number, since it is larger than the sum of its proper divisors (2599235).

11149885 is a wasteful number, since it uses less digits than its factorization.

11149885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468.

The product of its digits is 11520, while the sum is 37.

The square root of 11149885 is about 3339.1443514769. The cubic root of 11149885 is about 223.4035805357.

It can be divided in two parts, 1 and 1149885, that added together give a triangular number (1149886 = T₁₅₁₆).

The spelling of 11149885 in words is "eleven million, one hundred forty-nine thousand, eight hundred eighty-five".