11803577856 has 240 divisors, whose sum is σ = 37766868480. Its totient is φ = 3263016960.

The previous prime is 11803577843. The next prime is 11803577857. The reversal of 11803577856 is 65877530811.

It is a junction number, because it is equal to n+sod(n) for n = 11803577799 and 11803577808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11803577857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2330655 + ... + 2335713.

It is an arithmetic number, because the mean of its divisors is an integer number (157361952).

Almost surely, 2^11803577856 is an apocalyptic number.

11803577856 is a gapful number since it is divisible by the number (16) 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 11803577856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18883434240).

11803577856 is an abundant number, since it is smaller than the sum of its proper divisors (25963290624).

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

11803577856 is an equidigital number, since it uses as much as digits as its factorization.

11803577856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125 (or 5102 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 11803577856 in words is "eleven billion, eight hundred three million, five hundred seventy-seven thousand, eight hundred fifty-six".