11859983456 has 12 divisors (see below), whose sum is σ = 23349342492. Its totient is φ = 5929991712.

The previous prime is 11859983423. The next prime is 11859983459. The reversal of 11859983456 is 65438995811.

It is a junction number, because it is equal to n+sod(n) for n = 11859983395 and 11859983404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11859983459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185312210 + ... + 185312273.

It is an arithmetic number, because the mean of its divisors is an integer number (1945778541).

Almost surely, 2^11859983456 is an apocalyptic number.

11859983456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11859983456 is a deficient number, since it is larger than the sum of its proper divisors (11489359036).

11859983456 is an equidigital number, since it uses as much as digits as its factorization.

11859983456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370624493 (or 370624485 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 59.

The spelling of 11859983456 in words is "eleven billion, eight hundred fifty-nine million, nine hundred eighty-three thousand, four hundred fifty-six".