11500550055000 has 120 divisors (see below), whose sum is σ = 38921695055100. Its totient is φ = 3066813336000.

The previous prime is 11500550054993. The next prime is 11500550055041. The reversal of 11500550055000 is 55005500511.

11500550055000 is a `hidden beast` number, since 1 + 150 + 0 + 5 + 5 + 0 + 0 + 5 + 500 + 0 = 666.

11500550055000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 127738890 + ... + 127828889.

Almost surely, 2^{11500550055000} is an apocalyptic number.

11500550055000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11500550055000 is an abundant number, since it is smaller than the sum of its proper divisors (27421145000100).

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

11500550055000 is a wasteful number, since it uses less digits than its factorization.

11500550055000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255567811 (or 255567789 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

Adding to 11500550055000 its reverse (55005500511), we get a palindrome (11555555555511).

The spelling of 11500550055000 in words is "eleven trillion, five hundred billion, five hundred fifty million, fifty-five thousand".