11555796000 has 384 divisors, whose sum is σ = 44200525824. Its totient is φ = 2584243200.

The previous prime is 11555795983. The next prime is 11555796013. The reversal of 11555796000 is 69755511.

It is a self number, because there is not a number n which added to its sum of digits gives 11555796000.

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, 3946537 + ... + 3949463.

It is an arithmetic number, because the mean of its divisors is an integer number (115105536).

Almost surely, 2^11555796000 is an apocalyptic number.

11555796000 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 11555796000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22100262912).

11555796000 is an abundant number, since it is smaller than the sum of its proper divisors (32644729824).

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

11555796000 is a wasteful number, since it uses less digits than its factorization.

11555796000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009 (or 2991 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 39.

The spelling of 11555796000 in words is "eleven billion, five hundred fifty-five million, seven hundred ninety-six thousand".