11000209272 has 32 divisors (see below), whose sum is σ = 29615948880. Its totient is φ = 3384679680.

The previous prime is 11000209271. The next prime is 11000209331. The reversal of 11000209272 is 27290200011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000209271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17628229 + ... + 17628852.

Almost surely, 2^11000209272 is an apocalyptic number.

11000209272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11000209272 is an abundant number, since it is smaller than the sum of its proper divisors (18615739608).

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

11000209272 is a wasteful number, since it uses less digits than its factorization.

11000209272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35257103 (or 35257099 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

Adding to 11000209272 its reverse (27290200011), we get a palindrome (38290409283).

The spelling of 11000209272 in words is "eleven billion, two hundred nine thousand, two hundred seventy-two".