13505525011050 has 96 divisors (see below), whose sum is σ = 34332130977984. Its totient is φ = 3511429824000.

The previous prime is 13505525011049. The next prime is 13505525011133. The reversal of 13505525011050 is 5011052550531.

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, 9134005 + ... + 10509095.

It is an arithmetic number, because the mean of its divisors is an integer number (357626364354).

Almost surely, 2^{13505525011050} is an apocalyptic number.

13505525011050 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 13505525011050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17166065488992).

13505525011050 is an abundant number, since it is smaller than the sum of its proper divisors (20826605966934).

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

13505525011050 is a wasteful number, since it uses less digits than its factorization.

13505525011050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376744 (or 1376739 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

Adding to 13505525011050 its reverse (5011052550531), we get a palindrome (18516577561581).

The spelling of 13505525011050 in words is "thirteen trillion, five hundred five billion, five hundred twenty-five million, eleven thousand, fifty".