2085631111107 has 6 divisors (see below), whose sum is σ = 3012578271612. Its totient is φ = 1390420740732.

The previous prime is 2085631111097. The next prime is 2085631111127. The reversal of 2085631111107 is 7011111365802.

It is a happy number.

2085631111107 is a `hidden beast` number, since 2 + 0 + 8 + 5 + 631 + 1 + 1 + 1 + 10 + 7 = 666.

It is not a de Polignac number, because 2085631111107 - 2⁶ = 2085631111043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2085631111127) 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 5 ways as a sum of consecutive naturals, for example, 115868395053 + ... + 115868395070.

It is an arithmetic number, because the mean of its divisors is an integer number (502096378602).

Almost surely, 2^{2085631111107} is an apocalyptic number.

2085631111107 is a deficient number, since it is larger than the sum of its proper divisors (926947160505).

2085631111107 is a wasteful number, since it uses less digits than its factorization.

2085631111107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231736790129 (or 231736790126 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

Adding to 2085631111107 its reverse (7011111365802), we get a palindrome (9096742476909).

The spelling of 2085631111107 in words is "two trillion, eighty-five billion, six hundred thirty-one million, one hundred eleven thousand, one hundred seven".