11527043220 has 432 divisors, whose sum is σ = 44848876800. Its totient is φ = 2393677440.

The previous prime is 11527043219. The next prime is 11527043243. The reversal of 11527043220 is 2234072511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7469769 + ... + 7471311.

Almost surely, 2^11527043220 is an apocalyptic number.

11527043220 is a gapful number since it is divisible by the number (10) 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 11527043220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22424438400).

11527043220 is an abundant number, since it is smaller than the sum of its proper divisors (33321833580).

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

11527043220 is a wasteful number, since it uses less digits than its factorization.

11527043220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 11527043220 in words is "eleven billion, five hundred twenty-seven million, forty-three thousand, two hundred twenty".