11003145 has 16 divisors (see below), whose sum is σ = 17646720. Its totient is φ = 5854464.

The previous prime is 11003137. The next prime is 11003173. The reversal of 11003145 is 54130011.

11003145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11003145 - 2³ = 11003137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon 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, 10401 + ... + 11409.

It is an arithmetic number, because the mean of its divisors is an integer number (1102920).

Almost surely, 2^11003145 is an apocalyptic number.

11003145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11003145 is a deficient number, since it is larger than the sum of its proper divisors (6643575).

11003145 is a wasteful number, since it uses less digits than its factorization.

11003145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11003145 is about 3317.0988830603. The cubic root of 11003145 is about 222.4192022415.

Adding to 11003145 its reverse (54130011), we get a palindrome (65133156).

The spelling of 11003145 in words is "eleven million, three thousand, one hundred forty-five".