11107971 has 12 divisors (see below), whose sum is σ = 18337072. Its totient is φ = 6347376.

The previous prime is 11107969. The next prime is 11108047. The reversal of 11107971 is 17970111.

It is not a de Polignac number, because 11107971 - 2¹ = 11107969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11108971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88096 + ... + 88221.

Almost surely, 2^11107971 is an apocalyptic number.

11107971 is a deficient number, since it is larger than the sum of its proper divisors (7229101).

11107971 is a wasteful number, since it uses less digits than its factorization.

11107971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176330 (or 176327 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 27.

The square root of 11107971 is about 3332.8622833835. The cubic root of 11107971 is about 223.1232937751.

The spelling of 11107971 in words is "eleven million, one hundred seven thousand, nine hundred seventy-one".