28209752255355 has 16 divisors (see below), whose sum is σ = 49238840300544. Its totient is φ = 13677455638880.

The previous prime is 28209752255341. The next prime is 28209752255393. The reversal of 28209752255355 is 55355225790282.

It is not a de Polignac number, because 28209752255355 - 2⁴ = 28209752255339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85484097579 + ... + 85484097908.

It is an arithmetic number, because the mean of its divisors is an integer number (3077427518784).

Almost surely, 2^{28209752255355} is an apocalyptic number.

28209752255355 is a deficient number, since it is larger than the sum of its proper divisors (21029088045189).

28209752255355 is a wasteful number, since it uses less digits than its factorization.

28209752255355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170968195506.

The product of its (nonzero) digits is 75600000, while the sum is 60.

The spelling of 28209752255355 in words is "twenty-eight trillion, two hundred nine billion, seven hundred fifty-two million, two hundred fifty-five thousand, three hundred fifty-five".