11553132253 has 8 divisors (see below), whose sum is σ = 12443290328. Its totient is φ = 10663182144.

The previous prime is 11553132247. The next prime is 11553132257. The reversal of 11553132253 is 35223135511.

It can be written as a sum of positive squares in 4 ways, for example, as 351450009 + 11201682244 = 18747^2 + 105838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11553132253 - 2¹⁷ = 11553001181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553132257) 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, 74875 + ... + 169447.

It is an arithmetic number, because the mean of its divisors is an integer number (1555411291).

Almost surely, 2^11553132253 is an apocalyptic number.

11553132253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11553132253 is a deficient number, since it is larger than the sum of its proper divisors (890158075).

11553132253 is an equidigital number, since it uses as much as digits as its factorization.

11553132253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103983.

The product of its digits is 13500, while the sum is 31.

Adding to 11553132253 its reverse (35223135511), we get a palindrome (46776267764).

The spelling of 11553132253 in words is "eleven billion, five hundred fifty-three million, one hundred thirty-two thousand, two hundred fifty-three".