11103172 has 12 divisors (see below), whose sum is σ = 20100780. Its totient is φ = 5360096.

The previous prime is 11103137. The next prime is 11103179. The reversal of 11103172 is 27130111.

11103172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2669956 + 8433216 = 1634^2 + 2904^2 .

It is a super-3 number, since 3×11103172³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11103179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47743 + ... + 47974.

It is an arithmetic number, because the mean of its divisors is an integer number (1675065).

Almost surely, 2^11103172 is an apocalyptic number.

It is an amenable number.

11103172 is a deficient number, since it is larger than the sum of its proper divisors (8997608).

11103172 is a wasteful number, since it uses less digits than its factorization.

11103172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95750 (or 95748 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11103172 is about 3332.1422538661. The cubic root of 11103172 is about 223.0911570051.

Adding to 11103172 its reverse (27130111), we get a palindrome (38233283).

The spelling of 11103172 in words is "eleven million, one hundred three thousand, one hundred seventy-two".