2085275777155 has 32 divisors (see below), whose sum is σ = 2531712770496. Its totient is φ = 1648711693824.

The previous prime is 2085275777131. The next prime is 2085275777177. The reversal of 2085275777155 is 5517775725802.

It is a cyclic number.

It is not a de Polignac number, because 2085275777155 - 2⁷ = 2085275777027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2085275777093 and 2085275777102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592911457 + ... + 592914973.

It is an arithmetic number, because the mean of its divisors is an integer number (79116024078).

Almost surely, 2^{2085275777155} is an apocalyptic number.

2085275777155 is a deficient number, since it is larger than the sum of its proper divisors (446436993341).

2085275777155 is a wasteful number, since it uses less digits than its factorization.

2085275777155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943.

The product of its (nonzero) digits is 48020000, while the sum is 61.

The spelling of 2085275777155 in words is "two trillion, eighty-five billion, two hundred seventy-five million, seven hundred seventy-seven thousand, one hundred fifty-five".