11546891 has 2 divisors, whose sum is σ = 11546892. Its totient is φ = 11546890.

The previous prime is 11546839. The next prime is 11546903. The reversal of 11546891 is 19864511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11546891 - 2⁶ = 11546827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11542891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5773445 + 5773446.

It is an arithmetic number, because the mean of its divisors is an integer number (5773446).

Almost surely, 2^11546891 is an apocalyptic number.

11546891 is a deficient number, since it is larger than the sum of its proper divisors (1).

11546891 is an equidigital number, since it uses as much as digits as its factorization.

11546891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 35.

The square root of 11546891 is about 3398.0716590443. The cubic root of 11546891 is about 226.0242423156.

The spelling of 11546891 in words is "eleven million, five hundred forty-six thousand, eight hundred ninety-one".