11253224531 has 4 divisors (see below), whose sum is σ = 11527693464. Its totient is φ = 10978755600.

The previous prime is 11253224501. The next prime is 11253224569. The reversal of 11253224531 is 13542235211.

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

It is a cyclic number.

It is not a de Polignac number, because 11253224531 - 2¹⁰ = 11253223507 is a prime.

It is a super-4 number, since 4×11253224531⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11253224494 and 11253224503.

It is not an unprimeable number, because it can be changed into a prime (11253224501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137234405 + ... + 137234486.

It is an arithmetic number, because the mean of its divisors is an integer number (2881923366).

Almost surely, 2^11253224531 is an apocalyptic number.

11253224531 is a deficient number, since it is larger than the sum of its proper divisors (274468933).

11253224531 is an equidigital number, since it uses as much as digits as its factorization.

11253224531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274468932.

The product of its digits is 7200, while the sum is 29.

Adding to 11253224531 its reverse (13542235211), we get a palindrome (24795459742).

The spelling of 11253224531 in words is "eleven billion, two hundred fifty-three million, two hundred twenty-four thousand, five hundred thirty-one".