10591191 has 12 divisors (see below), whose sum is σ = 16475368. Its totient is φ = 6517584.

The previous prime is 10591183. The next prime is 10591199. The reversal of 10591191 is 19119501.

It is an interprime number because it is at equal distance from previous prime (10591183) and next prime (10591199).

It is not a de Polignac number, because 10591191 - 2³ = 10591183 is a prime.

It is a super-2 number, since 2×10591191² = 224346653596962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10591199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45145 + ... + 45378.

Almost surely, 2^10591191 is an apocalyptic number.

10591191 is a deficient number, since it is larger than the sum of its proper divisors (5884177).

10591191 is a wasteful number, since it uses less digits than its factorization.

10591191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90542 (or 90539 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 27.

The square root of 10591191 is about 3254.4110066186. The cubic root of 10591191 is about 219.6080555835.

The spelling of 10591191 in words is "ten million, five hundred ninety-one thousand, one hundred ninety-one".