11005245 has 12 divisors (see below), whose sum is σ = 19075836. Its totient is φ = 5869440.

The previous prime is 11005231. The next prime is 11005259. The reversal of 11005245 is 54250011.

It is an interprime number because it is at equal distance from previous prime (11005231) and next prime (11005259).

It can be written as a sum of positive squares in 2 ways, for example, as 6365529 + 4639716 = 2523^2 + 2154^2 .

It is not a de Polignac number, because 11005245 - 2¹⁰ = 11004221 is a prime.

It is a super-2 number, since 2×11005245² = 242230835020050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122236 + ... + 122325.

It is an arithmetic number, because the mean of its divisors is an integer number (1589653).

Almost surely, 2^11005245 is an apocalyptic number.

11005245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11005245 is a deficient number, since it is larger than the sum of its proper divisors (8070591).

11005245 is a wasteful number, since it uses less digits than its factorization.

11005245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244572 (or 244569 counting only the distinct ones).

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

The square root of 11005245 is about 3317.4154096224. The cubic root of 11005245 is about 222.4333512450.

Adding to 11005245 its reverse (54250011), we get a palindrome (65255256).

The spelling of 11005245 in words is "eleven million, five thousand, two hundred forty-five".