11155312 has 40 divisors (see below), whose sum is σ = 24966656. Its totient is φ = 4729536.

The previous prime is 11155297. The next prime is 11155327. The reversal of 11155312 is 21355111.

11155312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11155297) and next prime (11155327).

It is a self number, because there is not a number n which added to its sum of digits gives 11155312.

It is a congruent 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, 11053 + ... + 12019.

Almost surely, 2^11155312 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 11155312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12483328).

11155312 is an abundant number, since it is smaller than the sum of its proper divisors (13811344).

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

11155312 is a wasteful number, since it uses less digits than its factorization.

11155312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1079 counting only the distinct ones).

The product of its digits is 150, while the sum is 19.

The square root of 11155312 is about 3339.9568859493. The cubic root of 11155312 is about 223.4398205083.

The spelling of 11155312 in words is "eleven million, one hundred fifty-five thousand, three hundred twelve".