11059891 has 8 divisors (see below), whose sum is σ = 11280384. Its totient is φ = 10841160.

The previous prime is 11059889. The next prime is 11059897. The reversal of 11059891 is 19895011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11059891 - 2¹ = 11059889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11059897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25446 + ... + 25876.

It is an arithmetic number, because the mean of its divisors is an integer number (1410048).

Almost surely, 2^11059891 is an apocalyptic number.

11059891 is a deficient number, since it is larger than the sum of its proper divisors (220493).

11059891 is an equidigital number, since it uses as much as digits as its factorization.

11059891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 11059891 is about 3325.6414418876. The cubic root of 11059891 is about 222.8009041626.

The spelling of 11059891 in words is "eleven million, fifty-nine thousand, eight hundred ninety-one".