11025840 has 80 divisors (see below), whose sum is σ = 39068928. Its totient is φ = 2519808.

The previous prime is 11025821. The next prime is 11025853. The reversal of 11025840 is 4852011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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, 1602 + ... + 4961.

Almost surely, 2^11025840 is an apocalyptic number.

11025840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11025840 is an abundant number, since it is smaller than the sum of its proper divisors (28043088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11025840 is a wasteful number, since it uses less digits than its factorization.

11025840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586 (or 6580 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 11025840 is about 3320.5180318739. The cubic root of 11025840 is about 222.5720172547.

Adding to 11025840 its reverse (4852011), we get a palindrome (15877851).

It can be divided in two parts, 11025 and 840, that multiplied together give a cube (9261000 = 210³).

The spelling of 11025840 in words is "eleven million, twenty-five thousand, eight hundred forty".