11791001 has 4 divisors (see below), whose sum is σ = 12411600. Its totient is φ = 11170404.

The previous prime is 11790991. The next prime is 11791007. The reversal of 11791001 is 10019711.

11791001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11791001 - 2¹⁰ = 11789977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11791007) 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, 310271 + ... + 310308.

It is an arithmetic number, because the mean of its divisors is an integer number (3102900).

Almost surely, 2^11791001 is an apocalyptic number.

It is an amenable number.

11791001 is a deficient number, since it is larger than the sum of its proper divisors (620599).

11791001 is an equidigital number, since it uses as much as digits as its factorization.

11791001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620598.

The product of its (nonzero) digits is 63, while the sum is 20.

The square root of 11791001 is about 3433.8027025442. The cubic root of 11791001 is about 227.6059225790.

The spelling of 11791001 in words is "eleven million, seven hundred ninety-one thousand, one".