11783715840 has 704 divisors, whose sum is σ = 46219622400. Its totient is φ = 2829385728.

The previous prime is 11783715821. The next prime is 11783715851. The reversal of 11783715840 is 4851738711.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141972439 + ... + 141972521.

Almost surely, 2^11783715840 is an apocalyptic number.

11783715840 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 11783715840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23109811200).

11783715840 is an abundant number, since it is smaller than the sum of its proper divisors (34435906560).

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

11783715840 is a wasteful number, since it uses less digits than its factorization.

11783715840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 11783715840 in words is "eleven billion, seven hundred eighty-three million, seven hundred fifteen thousand, eight hundred forty".