11504440452 has 48 divisors (see below), whose sum is σ = 26970999552. Its totient is φ = 3816660480.

The previous prime is 11504440373. The next prime is 11504440477. The reversal of 11504440452 is 25404440511.

It is a super-2 number, since 2×11504440452² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4522693 + ... + 4525235.

It is an arithmetic number, because the mean of its divisors is an integer number (561895824).

Almost surely, 2^11504440452 is an apocalyptic number.

11504440452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11504440452 is an abundant number, since it is smaller than the sum of its proper divisors (15466559100).

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

11504440452 is a wasteful number, since it uses less digits than its factorization.

11504440452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 11504440452 its reverse (25404440511), we get a palindrome (36908880963).

The spelling of 11504440452 in words is "eleven billion, five hundred four million, four hundred forty thousand, four hundred fifty-two".