11249039680 has 112 divisors (see below), whose sum is σ = 29169360000. Its totient is φ = 4115736576.

The previous prime is 11249039611. The next prime is 11249039729. The reversal of 11249039680 is 8693094211.

It is a happy number.

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, 144421 + ... + 208219.

Almost surely, 2^11249039680 is an apocalyptic number.

11249039680 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 11249039680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14584680000).

11249039680 is an abundant number, since it is smaller than the sum of its proper divisors (17920320320).

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

11249039680 is a wasteful number, since it uses less digits than its factorization.

11249039680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63864 (or 63854 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 11249039680 in words is "eleven billion, two hundred forty-nine million, thirty-nine thousand, six hundred eighty".