11005725 has 12 divisors (see below), whose sum is σ = 18196256. Its totient is φ = 5869680.

The previous prime is 11005723. The next prime is 11005751. The reversal of 11005725 is 52750011.

It is not a de Polignac number, because 11005725 - 2¹ = 11005723 is a prime.

It is a super-2 number, since 2×11005725² = 242251965551250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73297 + ... + 73446.

Almost surely, 2^11005725 is an apocalyptic number.

11005725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11005725 is a deficient number, since it is larger than the sum of its proper divisors (7190531).

11005725 is a wasteful number, since it uses less digits than its factorization.

11005725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146756 (or 146751 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 11005725 is about 3317.4877543105. The cubic root of 11005725 is about 222.4365850503.

Adding to 11005725 its reverse (52750011), we get a palindrome (63755736).

The spelling of 11005725 in words is "eleven million, five thousand, seven hundred twenty-five".