11140725 has 24 divisors (see below), whose sum is σ = 18873792. Its totient is φ = 5795200.

The previous prime is 11140721. The next prime is 11140747. The reversal of 11140725 is 52704111.

It is a happy number.

It is not a de Polignac number, because 11140725 - 2² = 11140721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1264 + ... + 4886.

It is an arithmetic number, because the mean of its divisors is an integer number (786408).

Almost surely, 2^11140725 is an apocalyptic number.

11140725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11140725 is a deficient number, since it is larger than the sum of its proper divisors (7733067).

11140725 is a wasteful number, since it uses less digits than its factorization.

11140725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677 (or 3672 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11140725 is about 3337.7724607888. The cubic root of 11140725 is about 223.3423859601.

Adding to 11140725 its reverse (52704111), we get a palindrome (63844836).

The spelling of 11140725 in words is "eleven million, one hundred forty thousand, seven hundred twenty-five".