11469881 has 2 divisors, whose sum is σ = 11469882. Its totient is φ = 11469880.

The previous prime is 11469869. The next prime is 11469911. The reversal of 11469881 is 18896411.

11469881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 1229881 = 3200^2 + 1109^2 .

It is an emirp because it is prime and its reverse (18896411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11469881 - 2¹⁸ = 11207737 is a prime.

It is a super-2 number, since 2×11469881² = 263116340308322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11469811) 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 as a sum of consecutive naturals, namely, 5734940 + 5734941.

It is an arithmetic number, because the mean of its divisors is an integer number (5734941).

Almost surely, 2^11469881 is an apocalyptic number.

It is an amenable number.

11469881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11469881 is an equidigital number, since it uses as much as digits as its factorization.

11469881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 38.

The square root of 11469881 is about 3386.7212758064. The cubic root of 11469881 is about 225.5206445178.

The spelling of 11469881 in words is "eleven million, four hundred sixty-nine thousand, eight hundred eighty-one".