2065206231405 has 48 divisors (see below), whose sum is σ = 3656148897024. Its totient is φ = 1077921532800.

The previous prime is 2065206231383. The next prime is 2065206231503. The reversal of 2065206231405 is 5041326025602.

2065206231405 is a `hidden beast` number, since 2 + 0 + 6 + 5 + 20 + 623 + 1 + 4 + 0 + 5 = 666.

It is not a de Polignac number, because 2065206231405 - 2²³ = 2065197842797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2065206231405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32647267 + ... + 32710463.

It is an arithmetic number, because the mean of its divisors is an integer number (76169768688).

Almost surely, 2^{2065206231405} is an apocalyptic number.

It is an amenable number.

2065206231405 is a deficient number, since it is larger than the sum of its proper divisors (1590942665619).

2065206231405 is a wasteful number, since it uses less digits than its factorization.

2065206231405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78706 (or 78703 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 2065206231405 in words is "two trillion, sixty-five billion, two hundred six million, two hundred thirty-one thousand, four hundred five".