2785120897355 has 8 divisors (see below), whose sum is σ = 3373380078192. Its totient is φ = 2207273383648.

The previous prime is 2785120897333. The next prime is 2785120897397. The reversal of 2785120897355 is 5537980215872.

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 2785120897355 - 2¹⁰ = 2785120896331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2602916192 + ... + 2602917261.

It is an arithmetic number, because the mean of its divisors is an integer number (421672509774).

Almost surely, 2^{2785120897355} is an apocalyptic number.

2785120897355 is a deficient number, since it is larger than the sum of its proper divisors (588259180837).

2785120897355 is a wasteful number, since it uses less digits than its factorization.

2785120897355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205833565.

The product of its (nonzero) digits is 42336000, while the sum is 62.

The spelling of 2785120897355 in words is "two trillion, seven hundred eighty-five billion, one hundred twenty million, eight hundred ninety-seven thousand, three hundred fifty-five".