11553032245 has 4 divisors (see below), whose sum is σ = 13863638700. Its totient is φ = 9242425792.

The previous prime is 11553032243. The next prime is 11553032297. The reversal of 11553032245 is 54223035511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5370984369 + 6182047876 = 73287^2 + 78626^2 .

It is a cyclic number.

It is not a de Polignac number, because 11553032245 - 2¹ = 11553032243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553032243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155303220 + ... + 1155303229.

It is an arithmetic number, because the mean of its divisors is an integer number (3465909675).

Almost surely, 2^11553032245 is an apocalyptic number.

It is an amenable number.

11553032245 is a deficient number, since it is larger than the sum of its proper divisors (2310606455).

11553032245 is an equidigital number, since it uses as much as digits as its factorization.

11553032245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310606454.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 11553032245 its reverse (54223035511), we get a palindrome (65776067756).

The spelling of 11553032245 in words is "eleven billion, five hundred fifty-three million, thirty-two thousand, two hundred forty-five".