11011233444 has 12 divisors (see below), whose sum is σ = 25692878064. Its totient is φ = 3670411144.

The previous prime is 11011233433. The next prime is 11011233451. The reversal of 11011233444 is 44433211011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11011233444² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458801382 + ... + 458801405.

It is an arithmetic number, because the mean of its divisors is an integer number (2141073172).

Almost surely, 2^11011233444 is an apocalyptic number.

It is an amenable number.

11011233444 is an abundant number, since it is smaller than the sum of its proper divisors (14681644620).

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

11011233444 is a wasteful number, since it uses less digits than its factorization.

11011233444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917602794 (or 917602792 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11011233444 its reverse (44433211011), we get a palindrome (55444444455).

The spelling of 11011233444 in words is "eleven billion, eleven million, two hundred thirty-three thousand, four hundred forty-four".