11965255 has 16 divisors (see below), whose sum is σ = 14968800. Its totient is φ = 9170560.

The previous prime is 11965253. The next prime is 11965271. The reversal of 11965255 is 55256911.

It is not a de Polignac number, because 11965255 - 2¹ = 11965253 is a prime.

It is a super-3 number, since 3×11965255³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11965255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11965253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25725 + ... + 26185.

It is an arithmetic number, because the mean of its divisors is an integer number (935550).

Almost surely, 2^11965255 is an apocalyptic number.

11965255 is a deficient number, since it is larger than the sum of its proper divisors (3003545).

11965255 is a wasteful number, since it uses less digits than its factorization.

11965255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its digits is 13500, while the sum is 34.

The square root of 11965255 is about 3459.0829709621. The cubic root of 11965255 is about 228.7216732619.

The spelling of 11965255 in words is "eleven million, nine hundred sixty-five thousand, two hundred fifty-five".