11123443325 has 6 divisors (see below), whose sum is σ = 13793069754. Its totient is φ = 8898754640.

The previous prime is 11123443313. The next prime is 11123443337. The reversal of 11123443325 is 52334432111.

It is an interprime number because it is at equal distance from previous prime (11123443313) and next prime (11123443337).

It can be written as a sum of positive squares in 3 ways, for example, as 155236 + 11123288089 = 394^2 + 105467^2 .

It is not a de Polignac number, because 11123443325 - 2¹⁰ = 11123442301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222468842 + ... + 222468891.

It is an arithmetic number, because the mean of its divisors is an integer number (2298844959).

Almost surely, 2^11123443325 is an apocalyptic number.

It is an amenable number.

11123443325 is a deficient number, since it is larger than the sum of its proper divisors (2669626429).

11123443325 is an equidigital number, since it uses as much as digits as its factorization.

11123443325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444937743 (or 444937738 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

Adding to 11123443325 its reverse (52334432111), we get a palindrome (63457875436).

The spelling of 11123443325 in words is "eleven billion, one hundred twenty-three million, four hundred forty-three thousand, three hundred twenty-five".