11205045 has 18 divisors (see below), whose sum is σ = 19461078. Its totient is φ = 5964048.

The previous prime is 11205031. The next prime is 11205059. The reversal of 11205045 is 54050211.

It is an interprime number because it is at equal distance from previous prime (11205031) and next prime (11205059).

It can be written as a sum of positive squares in only one way, i.e., 8964036 + 2241009 = 2994^2 + 1497^2 .

It is not a de Polignac number, because 11205045 - 2¹³ = 11196853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22206 + ... + 22704.

It is an arithmetic number, because the mean of its divisors is an integer number (1081171).

Almost surely, 2^11205045 is an apocalyptic number.

11205045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11205045 is a deficient number, since it is larger than the sum of its proper divisors (8256033).

11205045 is an frugal number, since it uses more digits than its factorization.

11205045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 11205045 is about 3347.3937623172. The cubic root of 11205045 is about 223.7713773360.

Adding to 11205045 its reverse (54050211), we get a palindrome (65255256).

The spelling of 11205045 in words is "eleven million, two hundred five thousand, forty-five".