12028895553 has 4 divisors (see below), whose sum is σ = 16038527408. Its totient is φ = 8019263700.

The previous prime is 12028895531. The next prime is 12028895561. The reversal of 12028895553 is 35559882021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12028895553 - 2¹⁰ = 12028894529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12028895353) 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, 2004815923 + ... + 2004815928.

It is an arithmetic number, because the mean of its divisors is an integer number (4009631852).

Almost surely, 2^12028895553 is an apocalyptic number.

It is an amenable number.

12028895553 is a deficient number, since it is larger than the sum of its proper divisors (4009631855).

12028895553 is an equidigital number, since it uses as much as digits as its factorization.

12028895553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009631854.

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 12028895553 in words is "twelve billion, twenty-eight million, eight hundred ninety-five thousand, five hundred fifty-three".