11725011 has 24 divisors (see below), whose sum is σ = 17521920. Its totient is φ = 7551600.

The previous prime is 11725001. The next prime is 11725039. The reversal of 11725011 is 11052711.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11725011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11725001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 37546 + ... + 37856.

It is an arithmetic number, because the mean of its divisors is an integer number (730080).

Almost surely, 2^11725011 is an apocalyptic number.

11725011 is a deficient number, since it is larger than the sum of its proper divisors (5796909).

11725011 is a wasteful number, since it uses less digits than its factorization.

11725011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 11725011 is about 3424.1803398770. The cubic root of 11725011 is about 227.1805184293.

Adding to 11725011 its reverse (11052711), we get a palindrome (22777722).

The spelling of 11725011 in words is "eleven million, seven hundred twenty-five thousand, eleven".