11571045 has 8 divisors (see below), whose sum is σ = 18513696. Its totient is φ = 6171216.

The previous prime is 11571041. The next prime is 11571073. The reversal of 11571045 is 54017511.

11571045 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11571045 - 2² = 11571041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11571041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385687 + ... + 385716.

It is an arithmetic number, because the mean of its divisors is an integer number (2314212).

Almost surely, 2^11571045 is an apocalyptic number.

11571045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11571045 is a deficient number, since it is larger than the sum of its proper divisors (6942651).

11571045 is an equidigital number, since it uses as much as digits as its factorization.

11571045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771411.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 11571045 is about 3401.6238769153. The cubic root of 11571045 is about 226.1817331150.

Adding to 11571045 its reverse (54017511), we get a palindrome (65588556).

The spelling of 11571045 in words is "eleven million, five hundred seventy-one thousand, forty-five".