11155434 has 16 divisors (see below), whose sum is σ = 23623488. Its totient is φ = 3499712.

The previous prime is 11155423. The next prime is 11155453. The reversal of 11155434 is 43455111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54582 + ... + 54785.

It is an arithmetic number, because the mean of its divisors is an integer number (1476468).

Almost surely, 2^11155434 is an apocalyptic number.

11155434 is an abundant number, since it is smaller than the sum of its proper divisors (12468054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11155434 is a wasteful number, since it uses less digits than its factorization.

11155434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109389.

The product of its digits is 1200, while the sum is 24.

The square root of 11155434 is about 3339.9751496082. The cubic root of 11155434 is about 223.4406350547.

The spelling of 11155434 in words is "eleven million, one hundred fifty-five thousand, four hundred thirty-four".