11577972556800 has 1584 divisors, whose sum is σ = 47075911518272. Its totient is φ = 2802047385600.

The previous prime is 11577972556747. The next prime is 11577972556877. The reversal of 11577972556800 is 865527977511.

It is a happy number.

11577972556800 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 7 + 9 + 72 + 556 + 8 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4933093227 + ... + 4933095573.

Almost surely, 2^{11577972556800} is an apocalyptic number.

11577972556800 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 11577972556800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23537955759136).

11577972556800 is an abundant number, since it is smaller than the sum of its proper divisors (35497938961472).

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

11577972556800 is a wasteful number, since it uses less digits than its factorization.

11577972556800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 37044000, while the sum is 63.

The spelling of 11577972556800 in words is "eleven trillion, five hundred seventy-seven billion, nine hundred seventy-two million, five hundred fifty-six thousand, eight hundred".