11213781260 has 96 divisors (see below), whose sum is σ = 26387774784. Its totient is φ = 3967488000.

The previous prime is 11213781221. The next prime is 11213781283. The reversal of 11213781260 is 6218731211.

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, 3795944 + ... + 3798896.

It is an arithmetic number, because the mean of its divisors is an integer number (274872654).

Almost surely, 2^11213781260 is an apocalyptic number.

11213781260 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 11213781260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13193887392).

11213781260 is an abundant number, since it is smaller than the sum of its proper divisors (15173993524).

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

11213781260 is a wasteful number, since it uses less digits than its factorization.

11213781260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435 (or 3433 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 11213781260 in words is "eleven billion, two hundred thirteen million, seven hundred eighty-one thousand, two hundred sixty".