11552040452 has 24 divisors (see below), whose sum is σ = 20268355800. Its totient is φ = 5761103616.

The previous prime is 11552040443. The next prime is 11552040457. The reversal of 11552040452 is 25404025511.

It can be written as a sum of positive squares in 4 ways, for example, as 1801662916 + 9750377536 = 42446^2 + 98744^2 .

It is not an unprimeable number, because it can be changed into a prime (11552040457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143288 + ... + 3146960.

It is an arithmetic number, because the mean of its divisors is an integer number (844514825).

Almost surely, 2^11552040452 is an apocalyptic number.

It is an amenable number.

11552040452 is a deficient number, since it is larger than the sum of its proper divisors (8716315348).

11552040452 is a wasteful number, since it uses less digits than its factorization.

11552040452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495 (or 5493 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 11552040452 its reverse (25404025511), we get a palindrome (36956065963).

The spelling of 11552040452 in words is "eleven billion, five hundred fifty-two million, forty thousand, four hundred fifty-two".