11125418 has 4 divisors (see below), whose sum is σ = 16688130. Its totient is φ = 5562708.

The previous prime is 11125409. The next prime is 11125423. The reversal of 11125418 is 81452111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81452111 = 13 ⋅6265547.

It can be written as a sum of positive squares in only one way, i.e., 9504889 + 1620529 = 3083^2 + 1273^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11125393 and 11125402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2781353 + ... + 2781356.

Almost surely, 2^11125418 is an apocalyptic number.

11125418 is a deficient number, since it is larger than the sum of its proper divisors (5562712).

11125418 is an equidigital number, since it uses as much as digits as its factorization.

11125418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562711.

The product of its digits is 320, while the sum is 23.

The square root of 11125418 is about 3335.4786762922. The cubic root of 11125418 is about 223.2400506445.

Adding to 11125418 its reverse (81452111), we get a palindrome (92577529).

The spelling of 11125418 in words is "eleven million, one hundred twenty-five thousand, four hundred eighteen".