13261050000 has 960 divisors, whose sum is σ = 55796428800. Its totient is φ = 2980800000.

The previous prime is 13261049999. The next prime is 13261050007. The reversal of 13261050000 is 5016231.

13261050000 is a `hidden beast` number, since 1 + 3 + 2 + 610 + 50 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13261050007) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 282149977 + ... + 282150023.

It is an arithmetic number, because the mean of its divisors is an integer number (58121280).

Almost surely, 2^13261050000 is an apocalyptic number.

13261050000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13261050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27898214400).

13261050000 is an abundant number, since it is smaller than the sum of its proper divisors (42535378800).

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

13261050000 is a wasteful number, since it uses less digits than its factorization.

13261050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 13261050000 its reverse (5016231), we get a palindrome (13266066231).

The spelling of 13261050000 in words is "thirteen billion, two hundred sixty-one million, fifty thousand".