11155408 has 40 divisors (see below), whose sum is σ = 23766336. Its totient is φ = 5030400.

The previous prime is 11155399. The next prime is 11155409. The reversal of 11155408 is 80455111.

It is a happy number.

11155408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42285 + ... + 42547.

Almost surely, 2^11155408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11155408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11883168).

11155408 is an abundant number, since it is smaller than the sum of its proper divisors (12610928).

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

11155408 is a wasteful number, since it uses less digits than its factorization.

11155408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 11155408 is about 3339.9712573614. The cubic root of 11155408 is about 223.4404614633.

The spelling of 11155408 in words is "eleven million, one hundred fifty-five thousand, four hundred eight".