11525240 has 32 divisors (see below), whose sum is σ = 26293680. Its totient is φ = 4545792.

The previous prime is 11525207. The next prime is 11525257. The reversal of 11525240 is 4252511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947 + ... + 4893.

Almost surely, 2^11525240 is an apocalyptic number.

11525240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11525240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13146840).

11525240 is an abundant number, since it is smaller than the sum of its proper divisors (14768440).

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

11525240 is a wasteful number, since it uses less digits than its factorization.

11525240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 11525240 is about 3394.8843868385. The cubic root of 11525240 is about 225.8828849963.

Adding to 11525240 its reverse (4252511), we get a palindrome (15777751).

The spelling of 11525240 in words is "eleven million, five hundred twenty-five thousand, two hundred forty".