28110565552 has 20 divisors (see below), whose sum is σ = 54765133696. Its totient is φ = 13977627840.

The previous prime is 28110565529. The next prime is 28110565619. The reversal of 28110565552 is 25556501182.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4850448 + ... + 4856239.

Almost surely, 2^28110565552 is an apocalyptic number.

It is an amenable number.

28110565552 is a deficient number, since it is larger than the sum of its proper divisors (26654568144).

28110565552 is a wasteful number, since it uses less digits than its factorization.

28110565552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706876 (or 9706870 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 40.

The spelling of 28110565552 in words is "twenty-eight billion, one hundred ten million, five hundred sixty-five thousand, five hundred fifty-two".