11148172 has 12 divisors (see below), whose sum is σ = 22296400. Its totient is φ = 4777776.

The previous prime is 11148161. The next prime is 11148173. The reversal of 11148172 is 27184111.

11148172 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11148173) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 199047 + ... + 199102.

Almost surely, 2^11148172 is an apocalyptic number.

It is an amenable number.

11148172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11148172 is a wasteful number, since it uses less digits than its factorization.

11148172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398160 (or 398158 counting only the distinct ones).

The product of its digits is 448, while the sum is 25.

The square root of 11148172 is about 3338.8878387870. The cubic root of 11148172 is about 223.3921391641.

The spelling of 11148172 in words is "eleven million, one hundred forty-eight thousand, one hundred seventy-two".