11075971 has 4 divisors (see below), whose sum is σ = 11241352. Its totient is φ = 10910592.

The previous prime is 11075957. The next prime is 11075989. The reversal of 11075971 is 17957011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17957011 = 509 ⋅35279.

It is a cyclic number.

It is not a de Polignac number, because 11075971 - 2⁷ = 11075843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11075951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82590 + ... + 82723.

It is an arithmetic number, because the mean of its divisors is an integer number (2810338).

Almost surely, 2^11075971 is an apocalyptic number.

11075971 is a deficient number, since it is larger than the sum of its proper divisors (165381).

11075971 is an equidigital number, since it uses as much as digits as its factorization.

11075971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165380.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 11075971 is about 3328.0581425210. The cubic root of 11075971 is about 222.9088287847.

The spelling of 11075971 in words is "eleven million, seventy-five thousand, nine hundred seventy-one".