11281485 has 16 divisors (see below), whose sum is σ = 18539136. Its totient is φ = 5853888.

The previous prime is 11281483. The next prime is 11281507. The reversal of 11281485 is 58418211.

It is a happy number.

It is not a de Polignac number, because 11281485 - 2¹ = 11281483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11281481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9609 + ... + 10718.

It is an arithmetic number, because the mean of its divisors is an integer number (1158696).

Almost surely, 2^11281485 is an apocalyptic number.

11281485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11281485 is a deficient number, since it is larger than the sum of its proper divisors (7257651).

11281485 is a wasteful number, since it uses less digits than its factorization.

11281485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20372.

The product of its digits is 2560, while the sum is 30.

The square root of 11281485 is about 3358.7921936315. The cubic root of 11281485 is about 224.2790752610.

Adding to 11281485 its reverse (58418211), we get a palindrome (69699696).

The spelling of 11281485 in words is "eleven million, two hundred eighty-one thousand, four hundred eighty-five".