11244431205 has 64 divisors (see below), whose sum is σ = 23067832320. Its totient is φ = 5090361408.

The previous prime is 11244431201. The next prime is 11244431213. The reversal of 11244431205 is 50213444211.

11244431205 is a `hidden beast` number, since 1 + 1 + 24 + 4 + 431 + 205 = 666.

It is not a de Polignac number, because 11244431205 - 2² = 11244431201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244431201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39574 + ... + 155096.

It is an arithmetic number, because the mean of its divisors is an integer number (360434880).

Almost surely, 2^11244431205 is an apocalyptic number.

11244431205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11244431205 is an abundant number, since it is smaller than the sum of its proper divisors (11823401115).

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

11244431205 is a wasteful number, since it uses less digits than its factorization.

11244431205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115647 (or 115641 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11244431205 its reverse (50213444211), we get a palindrome (61457875416).

The spelling of 11244431205 in words is "eleven billion, two hundred forty-four million, four hundred thirty-one thousand, two hundred five".