11783645016 has 384 divisors, whose sum is σ = 37387768320. Its totient is φ = 3066624000.

The previous prime is 11783645009. The next prime is 11783645021. The reversal of 11783645016 is 61054638711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35599971 + ... + 35600301.

It is an arithmetic number, because the mean of its divisors is an integer number (97363980).

Almost surely, 2^11783645016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11783645016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18693884160).

11783645016 is an abundant number, since it is smaller than the sum of its proper divisors (25604123304).

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

11783645016 is a wasteful number, since it uses less digits than its factorization.

11783645016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 11783645016 in words is "eleven billion, seven hundred eighty-three million, six hundred forty-five thousand, sixteen".