11618771 has 2 divisors, whose sum is σ = 11618772. Its totient is φ = 11618770.

The previous prime is 11618741. The next prime is 11618779. The reversal of 11618771 is 17781611.

11618771 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 is a cyclic number.

It is not a de Polignac number, because 11618771 - 2²² = 7424467 is a prime.

It is not a weakly prime, because it can be changed into another prime (11618779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5809385 + 5809386.

It is an arithmetic number, because the mean of its divisors is an integer number (5809386).

Almost surely, 2^11618771 is an apocalyptic number.

11618771 is a deficient number, since it is larger than the sum of its proper divisors (1).

11618771 is an equidigital number, since it uses as much as digits as its factorization.

11618771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 32.

The square root of 11618771 is about 3408.6318369692. The cubic root of 11618771 is about 226.4922767161.

The spelling of 11618771 in words is "eleven million, six hundred eighteen thousand, seven hundred seventy-one".