11100529272 has 128 divisors (see below), whose sum is σ = 32181926400. Its totient is φ = 3125219328.

The previous prime is 11100529267. The next prime is 11100529339. The reversal of 11100529272 is 27292500111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5037723 + ... + 5039925.

It is an arithmetic number, because the mean of its divisors is an integer number (251421300).

Almost surely, 2^11100529272 is an apocalyptic number.

11100529272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11100529272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16090963200).

11100529272 is an abundant number, since it is smaller than the sum of its proper divisors (21081397128).

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

11100529272 is a wasteful number, since it uses less digits than its factorization.

11100529272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2641 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The spelling of 11100529272 in words is "eleven billion, one hundred million, five hundred twenty-nine thousand, two hundred seventy-two".