11111125 has 16 divisors (see below), whose sum is σ = 14017536. Its totient is φ = 8792400.

The previous prime is 11111119. The next prime is 11111131. The reversal of 11111125 is 52111111.

11111125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11111119) and next prime (11111131).

It is not a de Polignac number, because 11111125 - 2³ = 11111117 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12444 + ... + 13306.

It is an arithmetic number, because the mean of its divisors is an integer number (876096).

Almost surely, 2^11111125 is an apocalyptic number.

It is an amenable number.

11111125 is a deficient number, since it is larger than the sum of its proper divisors (2906411).

11111125 is an equidigital number, since it uses as much as digits as its factorization.

11111125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 971 counting only the distinct ones).

The product of its digits is 10, while the sum is 13.

The square root of 11111125 is about 3333.3354166660. The cubic root of 11111125 is about 223.1444096708.

Adding to 11111125 its reverse (52111111), we get a palindrome (63222236).

It can be divided in two parts, 11111 and 125, that added together give a square (11236 = 106²).

The spelling of 11111125 in words is "eleven million, one hundred eleven thousand, one hundred twenty-five".