28025050555055 has 8 divisors (see below), whose sum is σ = 33630234573312. Its totient is φ = 22419924505888.

The previous prime is 28025050555043. The next prime is 28025050555079. The reversal of 28025050555055 is 55055505052082.

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 28025050555055 - 2⁴ = 28025050555039 is a prime.

It is a super-2 number, since 2×28025050555055² (a number of 28 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 13421492 + ... + 15368361.

It is an arithmetic number, because the mean of its divisors is an integer number (4203779321664).

Almost surely, 2^{28025050555055} is an apocalyptic number.

28025050555055 is a deficient number, since it is larger than the sum of its proper divisors (5605184018257).

28025050555055 is a wasteful number, since it uses less digits than its factorization.

28025050555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28984545.

The product of its (nonzero) digits is 2500000, while the sum is 47.

The spelling of 28025050555055 in words is "twenty-eight trillion, twenty-five billion, fifty million, five hundred fifty-five thousand, fifty-five".