11535140 has 12 divisors (see below), whose sum is σ = 24223836. Its totient is φ = 4614048.

The previous prime is 11535113. The next prime is 11535151. The reversal of 11535140 is 4153511.

It can be written as a sum of positive squares in 2 ways, for example, as 8904256 + 2630884 = 2984^2 + 1622^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 576757 = 11535140 / (1 + 1 + 5 + 3 + 5 + 1 + 4 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288359 + ... + 288398.

It is an arithmetic number, because the mean of its divisors is an integer number (2018653).

Almost surely, 2^11535140 is an apocalyptic number.

11535140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11535140 is an abundant number, since it is smaller than the sum of its proper divisors (12688696).

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

11535140 is a wasteful number, since it uses less digits than its factorization.

11535140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576766 (or 576764 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11535140 is about 3396.3421500196. The cubic root of 11535140 is about 225.9475431023.

Adding to 11535140 its reverse (4153511), we get a palindrome (15688651).

The spelling of 11535140 in words is "eleven million, five hundred thirty-five thousand, one hundred forty".