11429855 has 16 divisors (see below), whose sum is σ = 14548224. Its totient is φ = 8605440.

The previous prime is 11429819. The next prime is 11429861. The reversal of 11429855 is 55892411.

It is not a de Polignac number, because 11429855 - 2¹² = 11425759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4739 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (909264).

Almost surely, 2^11429855 is an apocalyptic number.

11429855 is a deficient number, since it is larger than the sum of its proper divisors (3118369).

11429855 is a wasteful number, since it uses less digits than its factorization.

11429855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066.

The product of its digits is 14400, while the sum is 35.

The square root of 11429855 is about 3380.8068563584. The cubic root of 11429855 is about 225.2580085540.

The spelling of 11429855 in words is "eleven million, four hundred twenty-nine thousand, eight hundred fifty-five".