2085231268561 has 8 divisors (see below), whose sum is σ = 2447530137920. Its totient is φ = 1739034571248.

The previous prime is 2085231268537. The next prime is 2085231268567. The reversal of 2085231268561 is 1658621325802.

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 2085231268561 - 2¹³ = 2085231260369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2085231268567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4025542731 + ... + 4025543248.

It is an arithmetic number, because the mean of its divisors is an integer number (305941267240).

Almost surely, 2^{2085231268561} is an apocalyptic number.

It is an amenable number.

2085231268561 is a deficient number, since it is larger than the sum of its proper divisors (362298869359).

2085231268561 is an equidigital number, since it uses as much as digits as its factorization.

2085231268561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051086023.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 2085231268561 in words is "two trillion, eighty-five billion, two hundred thirty-one million, two hundred sixty-eight thousand, five hundred sixty-one".