11966055 has 16 divisors (see below), whose sum is σ = 19613664. Its totient is φ = 6225920.

The previous prime is 11966039. The next prime is 11966063. The reversal of 11966055 is 55066911.

11966055 = 1545² + 1546² + ... + 1549².

It is not a de Polignac number, because 11966055 - 2⁴ = 11966039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9114 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (1225854).

Almost surely, 2^11966055 is an apocalyptic number.

11966055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11966055 is a deficient number, since it is larger than the sum of its proper divisors (7647609).

11966055 is a wasteful number, since it uses less digits than its factorization.

11966055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19506.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 11966055 is about 3459.1986066140. The cubic root of 11966055 is about 228.7267706114.

The spelling of 11966055 in words is "eleven million, nine hundred sixty-six thousand, fifty-five".