11011400244 has 72 divisors (see below), whose sum is σ = 30785674920. Its totient is φ = 3296547072.

The previous prime is 11011400243. The next prime is 11011400269. The reversal of 11011400244 is 44200411011.

11011400244 is a `hidden beast` number, since 1 + 10 + 11 + 400 + 244 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3473687844 + 7537712400 = 58938^2 + 86820^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011400243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300639 + ... + 335270.

Almost surely, 2^11011400244 is an apocalyptic number.

It is an amenable number.

11011400244 is an abundant number, since it is smaller than the sum of its proper divisors (19774274676).

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

11011400244 is a wasteful number, since it uses less digits than its factorization.

11011400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635969 (or 635964 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11011400244 its reverse (44200411011), we get a palindrome (55211811255).

The spelling of 11011400244 in words is "eleven billion, eleven million, four hundred thousand, two hundred forty-four".