11013243444 has 36 divisors (see below), whose sum is σ = 31816037344. Its totient is φ = 3146640912.

The previous prime is 11013243443. The next prime is 11013243487. The reversal of 11013243444 is 44434231011.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11013243444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013243443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21851422 + ... + 21851925.

Almost surely, 2^11013243444 is an apocalyptic number.

11013243444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11013243444 is an abundant number, since it is smaller than the sum of its proper divisors (20802793900).

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

11013243444 is a wasteful number, since it uses less digits than its factorization.

11013243444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43703364 (or 43703359 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11013243444 its reverse (44434231011), we get a palindrome (55447474455).

The spelling of 11013243444 in words is "eleven billion, thirteen million, two hundred forty-three thousand, four hundred forty-four".