11255427320 has 64 divisors (see below), whose sum is σ = 26852860800. Its totient is φ = 4231260160.

The previous prime is 11255427311. The next prime is 11255427341. The reversal of 11255427320 is 2372455211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477410 + ... + 500430.

It is an arithmetic number, because the mean of its divisors is an integer number (419575950).

Almost surely, 2^11255427320 is an apocalyptic number.

11255427320 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 11255427320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13426430400).

11255427320 is an abundant number, since it is smaller than the sum of its proper divisors (15597433480).

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

11255427320 is a wasteful number, since it uses less digits than its factorization.

11255427320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23768 (or 23764 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 11255427320 in words is "eleven billion, two hundred fifty-five million, four hundred twenty-seven thousand, three hundred twenty".