11550043255552 has 36 divisors (see below), whose sum is σ = 23370790687720. Its totient is φ = 5695911733248.

The previous prime is 11550043255529. The next prime is 11550043255559. The reversal of 11550043255552 is 25555234005511.

It is a junction number, because it is equal to n+sod(n) for n = 11550043255499 and 11550043255508.

It is not an unprimeable number, because it can be changed into a prime (11550043255559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309004302 + ... + 309041677.

Almost surely, 2^{11550043255552} is an apocalyptic number.

It is an amenable number.

11550043255552 is an abundant number, since it is smaller than the sum of its proper divisors (11820747432168).

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

11550043255552 is an frugal number, since it uses more digits than its factorization.

11550043255552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618046068 (or 618046054 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 11550043255552 in words is "eleven trillion, five hundred fifty billion, forty-three million, two hundred fifty-five thousand, five hundred fifty-two".