28555558113313 has 32 divisors (see below), whose sum is σ = 37568966215680. Its totient is φ = 21027405600000.

The previous prime is 28555558113287. The next prime is 28555558113319. The reversal of 28555558113313 is 31331185555582.

It is a cyclic number.

It is not a de Polignac number, because 28555558113313 - 2⁹ = 28555558112801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28555558113319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23750613 + ... + 24923938.

It is an arithmetic number, because the mean of its divisors is an integer number (1174030194240).

Almost surely, 2^{28555558113313} is an apocalyptic number.

It is an amenable number.

28555558113313 is a deficient number, since it is larger than the sum of its proper divisors (9013408102367).

28555558113313 is a wasteful number, since it uses less digits than its factorization.

28555558113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48674989.

The product of its digits is 10800000, while the sum is 55.

The spelling of 28555558113313 in words is "twenty-eight trillion, five hundred fifty-five billion, five hundred fifty-eight million, one hundred thirteen thousand, three hundred thirteen".