1685141036205 has 16 divisors (see below), whose sum is σ = 2941337081664. Its totient is φ = 817038078080.

The previous prime is 1685141036123. The next prime is 1685141036213. The reversal of 1685141036205 is 5026301415861.

It is not a de Polignac number, because 1685141036205 - 2¹⁵ = 1685141003437 is a prime.

It is a super-2 number, since 2×1685141036205² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5106487824 + ... + 5106488153.

It is an arithmetic number, because the mean of its divisors is an integer number (183833567604).

Almost surely, 2^{1685141036205} is an apocalyptic number.

1685141036205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1685141036205 is a deficient number, since it is larger than the sum of its proper divisors (1256196045459).

1685141036205 is a wasteful number, since it uses less digits than its factorization.

1685141036205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212975996.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 1685141036205 in words is "one trillion, six hundred eighty-five billion, one hundred forty-one million, thirty-six thousand, two hundred five".