11525444450 has 48 divisors (see below), whose sum is σ = 23097480000. Its totient is φ = 4253497920.

The previous prime is 11525444449. The next prime is 11525444521. The reversal of 11525444450 is 5444452511.

It is a self number, because there is not a number n which added to its sum of digits gives 11525444450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2303051 + ... + 2308049.

It is an arithmetic number, because the mean of its divisors is an integer number (481197500).

Almost surely, 2^11525444450 is an apocalyptic number.

11525444450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11525444450 is an abundant number, since it is smaller than the sum of its proper divisors (11572035550).

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

11525444450 is a wasteful number, since it uses less digits than its factorization.

11525444450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8571 (or 8566 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 11525444450 its reverse (5444452511), we get a palindrome (16969896961).

The spelling of 11525444450 in words is "eleven billion, five hundred twenty-five million, four hundred forty-four thousand, four hundred fifty".