13125305250 has 96 divisors (see below), whose sum is σ = 35537374080. Its totient is φ = 3495492000.

The previous prime is 13125305239. The next prime is 13125305351. The reversal of 13125305250 is 5250352131.

It is a happy number.

13125305250 is a `hidden beast` number, since 1 + 31 + 2 + 530 + 52 + 50 = 666.

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, 1929355 + ... + 1936145.

It is an arithmetic number, because the mean of its divisors is an integer number (370180980).

Almost surely, 2^13125305250 is an apocalyptic number.

13125305250 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 13125305250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17768687040).

13125305250 is an abundant number, since it is smaller than the sum of its proper divisors (22412068830).

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

13125305250 is a wasteful number, since it uses less digits than its factorization.

13125305250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673 (or 7660 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 13125305250 its reverse (5250352131), we get a palindrome (18375657381).

The spelling of 13125305250 in words is "thirteen billion, one hundred twenty-five million, three hundred five thousand, two hundred fifty".