11530533353500 has 96 divisors (see below), whose sum is σ = 30294959385600. Its totient is φ = 3745255924800.

The previous prime is 11530533353447. The next prime is 11530533353509. The reversal of 11530533353500 is 535333503511.

It is a self number, because there is not a number n which added to its sum of digits gives 11530533353500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530533353509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86629240 + ... + 86762239.

It is an arithmetic number, because the mean of its divisors is an integer number (315572493600).

Almost surely, 2^{11530533353500} is an apocalyptic number.

11530533353500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11530533353500 is an abundant number, since it is smaller than the sum of its proper divisors (18764426032100).

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

11530533353500 is a wasteful number, since it uses less digits than its factorization.

11530533353500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173391524 (or 173391512 counting only the distinct ones).

The product of its (nonzero) digits is 151875, while the sum is 37.

The spelling of 11530533353500 in words is "eleven trillion, five hundred thirty billion, five hundred thirty-three million, three hundred fifty-three thousand, five hundred".