11417881 has 2 divisors, whose sum is σ = 11417882. Its totient is φ = 11417880.

The previous prime is 11417869. The next prime is 11417891. The reversal of 11417881 is 18871411.

11417881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7750656 + 3667225 = 2784^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11417881 - 2⁵ = 11417849 is a prime.

It is a super-2 number, since 2×11417881² = 260736013060322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11417801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5708940 + 5708941.

It is an arithmetic number, because the mean of its divisors is an integer number (5708941).

Almost surely, 2^11417881 is an apocalyptic number.

It is an amenable number.

11417881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11417881 is an equidigital number, since it uses as much as digits as its factorization.

11417881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 31.

The square root of 11417881 is about 3379.0355132789. The cubic root of 11417881 is about 225.1793204218.

The spelling of 11417881 in words is "eleven million, four hundred seventeen thousand, eight hundred eighty-one".