11180725 has 12 divisors (see below), whose sum is σ = 14061600. Its totient is φ = 8817200.

The previous prime is 11180669. The next prime is 11180749. The reversal of 11180725 is 52708111.

It is a de Polignac number, because none of the positive numbers 2^k-11180725 is a prime.

It is a super-2 number, since 2×11180725² = 250017223051250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 11180725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1375 + ... + 4924.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^11180725 is an apocalyptic number.

It is an amenable number.

11180725 is a deficient number, since it is larger than the sum of its proper divisors (2880875).

11180725 is an equidigital number, since it uses as much as digits as its factorization.

11180725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380 (or 6375 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11180725 is about 3343.7591121371. The cubic root of 11180725 is about 223.6093651372.

Adding to 11180725 its reverse (52708111), we get a palindrome (63888836).

The spelling of 11180725 in words is "eleven million, one hundred eighty thousand, seven hundred twenty-five".