11282571880 has 64 divisors (see below), whose sum is σ = 26079958800. Its totient is φ = 4390256640.

The previous prime is 11282571857. The next prime is 11282571907. The reversal of 11282571880 is 8817528211.

It can be written as a sum of positive squares in 8 ways, for example, as 38514436 + 11244057444 = 6206^2 + 106038^2 .

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, 569176 + ... + 588664.

Almost surely, 2^11282571880 is an apocalyptic number.

11282571880 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 11282571880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13039979400).

11282571880 is an abundant number, since it is smaller than the sum of its proper divisors (14797386920).

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

11282571880 is a wasteful number, since it uses less digits than its factorization.

11282571880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19894 (or 19890 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 43.

The spelling of 11282571880 in words is "eleven billion, two hundred eighty-two million, five hundred seventy-one thousand, eight hundred eighty".