11271045 has 16 divisors (see below), whose sum is σ = 18083520. Its totient is φ = 5994624.

The previous prime is 11271019. The next prime is 11271061. The reversal of 11271045 is 54017211.

It is a happy number.

It is not a de Polignac number, because 11271045 - 2⁸ = 11270789 is a prime.

It is a nialpdrome in base 15.

It is a congruent 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, 6201 + ... + 7809.

It is an arithmetic number, because the mean of its divisors is an integer number (1130220).

Almost surely, 2^11271045 is an apocalyptic number.

11271045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11271045 is a deficient number, since it is larger than the sum of its proper divisors (6812475).

11271045 is a wasteful number, since it uses less digits than its factorization.

11271045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11271045 is about 3357.2377038274. The cubic root of 11271045 is about 224.2098705363.

Adding to 11271045 its reverse (54017211), we get a palindrome (65288256).

The spelling of 11271045 in words is "eleven million, two hundred seventy-one thousand, forty-five".