11521025260 has 48 divisors (see below), whose sum is σ = 24782944032. Its totient is φ = 4496486400.

The previous prime is 11521025221. The next prime is 11521025261. The reversal of 11521025260 is 6252012511.

It is not an unprimeable number, because it can be changed into a prime (11521025261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871500 + ... + 884620.

It is an arithmetic number, because the mean of its divisors is an integer number (516311334).

Almost surely, 2^11521025260 is an apocalyptic number.

11521025260 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 11521025260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12391472016).

11521025260 is an abundant number, since it is smaller than the sum of its proper divisors (13261918772).

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

11521025260 is a wasteful number, since it uses less digits than its factorization.

11521025260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14194 (or 14192 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11521025260 its reverse (6252012511), we get a palindrome (17773037771).

The spelling of 11521025260 in words is "eleven billion, five hundred twenty-one million, twenty-five thousand, two hundred sixty".