11341891 has 4 divisors (see below), whose sum is σ = 12372984. Its totient is φ = 10310800.

The previous prime is 11341861. The next prime is 11341901. The reversal of 11341891 is 19814311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11341891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11341831) 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, 515530 + ... + 515551.

It is an arithmetic number, because the mean of its divisors is an integer number (3093246).

Almost surely, 2^11341891 is an apocalyptic number.

11341891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11341891 is a deficient number, since it is larger than the sum of its proper divisors (1031093).

11341891 is a wasteful number, since it uses less digits than its factorization.

11341891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031092.

The product of its digits is 864, while the sum is 28.

The square root of 11341891 is about 3367.7724091749. The cubic root of 11341891 is about 224.6786589804.

It can be divided in two parts, 1134 and 1891, that added together give a square (3025 = 55²).

The spelling of 11341891 in words is "eleven million, three hundred forty-one thousand, eight hundred ninety-one".