11005044 has 24 divisors (see below), whose sum is σ = 25753728. Its totient is φ = 3657600.

The previous prime is 11005037. The next prime is 11005051. The reversal of 11005044 is 44050011.

It is an interprime number because it is at equal distance from previous prime (11005037) and next prime (11005051).

It is a super-2 number, since 2×11005044² = 242221986883872, which contains 22 as substring.

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, 3669 + ... + 5955.

It is an arithmetic number, because the mean of its divisors is an integer number (1073072).

Almost surely, 2^11005044 is an apocalyptic number.

It is an amenable number.

11005044 is an abundant number, since it is smaller than the sum of its proper divisors (14748684).

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

11005044 is a wasteful number, since it uses less digits than its factorization.

11005044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695 (or 2693 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 11005044 is about 3317.3851148156. The cubic root of 11005044 is about 222.4319970612.

Adding to 11005044 its reverse (44050011), we get a palindrome (55055055).

The spelling of 11005044 in words is "eleven million, five thousand, forty-four".