11560255772550 has 96 divisors (see below), whose sum is σ = 28862615174400. Its totient is φ = 3062020886400.

The previous prime is 11560255772537. The next prime is 11560255772567. The reversal of 11560255772550 is 5527755206511.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11560255772493 and 11560255772502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15556876 + ... + 16283024.

It is an arithmetic number, because the mean of its divisors is an integer number (300652241400).

Almost surely, 2^{11560255772550} is an apocalyptic number.

11560255772550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11560255772550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14431307587200).

11560255772550 is an abundant number, since it is smaller than the sum of its proper divisors (17302359401850).

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

11560255772550 is a wasteful number, since it uses less digits than its factorization.

11560255772550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726878 (or 726873 counting only the distinct ones).

The product of its (nonzero) digits is 3675000, while the sum is 51.

The spelling of 11560255772550 in words is "eleven trillion, five hundred sixty billion, two hundred fifty-five million, seven hundred seventy-two thousand, five hundred fifty".