11818655 has 12 divisors (see below), whose sum is σ = 15067560. Its totient is φ = 8897664.

The previous prime is 11818649. The next prime is 11818661. The reversal of 11818655 is 55681811.

11818655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11818649) and next prime (11818661).

It is not a de Polignac number, because 11818655 - 2⁶ = 11818591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2645 + ... + 5534.

It is an arithmetic number, because the mean of its divisors is an integer number (1255630).

Almost surely, 2^11818655 is an apocalyptic number.

11818655 is a deficient number, since it is larger than the sum of its proper divisors (3248905).

11818655 is an equidigital number, since it uses as much as digits as its factorization.

11818655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218 (or 8201 counting only the distinct ones).

The product of its digits is 9600, while the sum is 35.

The square root of 11818655 is about 3437.8270753486. The cubic root of 11818655 is about 227.7837220120.

The spelling of 11818655 in words is "eleven million, eight hundred eighteen thousand, six hundred fifty-five".