11140971 has 16 divisors (see below), whose sum is σ = 15513120. Its totient is φ = 7105280.

The previous prime is 11140957. The next prime is 11141003. The reversal of 11140971 is 17904111.

It is a cyclic number.

It is not a de Polignac number, because 11140971 - 2⁵ = 11140939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11140771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5665 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^11140971 is an apocalyptic number.

11140971 is a deficient number, since it is larger than the sum of its proper divisors (4372149).

11140971 is a wasteful number, since it uses less digits than its factorization.

11140971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806.

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 11140971 is about 3337.8093115096. The cubic root of 11140971 is about 223.3440298335.

The spelling of 11140971 in words is "eleven million, one hundred forty thousand, nine hundred seventy-one".