2085378203511 has 12 divisors (see below), whose sum is σ = 3015234250392. Its totient is φ = 1388857694256.

The previous prime is 2085378203477. The next prime is 2085378203527. The reversal of 2085378203511 is 1153028735802.

2085378203511 is a `hidden beast` number, since 2 + 0 + 8 + 53 + 7 + 82 + 0 + 3 + 511 = 666.

It is not a de Polignac number, because 2085378203511 - 2¹⁹ = 2085377679223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085378202511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116193981 + ... + 116211926.

It is an arithmetic number, because the mean of its divisors is an integer number (251269520866).

Almost surely, 2^{2085378203511} is an apocalyptic number.

2085378203511 is a deficient number, since it is larger than the sum of its proper divisors (929856046881).

2085378203511 is a wasteful number, since it uses less digits than its factorization.

2085378203511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232406910 (or 232406907 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 2085378203511 in words is "two trillion, eighty-five billion, three hundred seventy-eight million, two hundred three thousand, five hundred eleven".