11055138 has 8 divisors (see below), whose sum is σ = 22110288. Its totient is φ = 3685044.

The previous prime is 11055137. The next prime is 11055139. The reversal of 11055138 is 83155011.

It is an interprime number because it is at equal distance from previous prime (11055137) and next prime (11055139).

It is a sphenic number, since it is the product of 3 distinct primes.

11055138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11055137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921256 + ... + 921267.

It is an arithmetic number, because the mean of its divisors is an integer number (2763786).

Almost surely, 2^11055138 is an apocalyptic number.

11055138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11055138 is a wasteful number, since it uses less digits than its factorization.

11055138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842528.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 11055138 is about 3324.9267661108. The cubic root of 11055138 is about 222.7689832804.

The spelling of 11055138 in words is "eleven million, fifty-five thousand, one hundred thirty-eight".