11349855 has 32 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 5502240.

The previous prime is 11349841. The next prime is 11349857. The reversal of 11349855 is 55894311.

11349855 is a `hidden beast` number, since 113 + 498 + 55 = 666.

It is not a de Polignac number, because 11349855 - 2¹⁶ = 11284319 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11349857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2337 + ... + 5306.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^11349855 is an apocalyptic number.

11349855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11349855 is a deficient number, since it is larger than the sum of its proper divisors (10664865).

11349855 is a wasteful number, since it uses less digits than its factorization.

11349855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668 (or 7662 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 11349855 is about 3368.9545856244. The cubic root of 11349855 is about 224.7312346397.

It can be divided in two parts, 11 and 349855, that added together give a triangular number (349866 = T₈₃₆).

The spelling of 11349855 in words is "eleven million, three hundred forty-nine thousand, eight hundred fifty-five".