11783256512 has 56 divisors (see below), whose sum is σ = 24779965680. Its totient is φ = 5540106240.

The previous prime is 11783256497. The next prime is 11783256533. The reversal of 11783256512 is 21565238711.

It is a happy number.

11783256512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11783256512² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11783256512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400414 + ... + 1408802.

Almost surely, 2^11783256512 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 11783256512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12389982840).

11783256512 is an abundant number, since it is smaller than the sum of its proper divisors (12996709168).

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

11783256512 is a wasteful number, since it uses less digits than its factorization.

11783256512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709 (or 9699 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The spelling of 11783256512 in words is "eleven billion, seven hundred eighty-three million, two hundred fifty-six thousand, five hundred twelve".