205336141051065 has 16 divisors (see below), whose sum is σ = 328579156584000. Its totient is φ = 109498831593152.

The previous prime is 205336141051039. The next prime is 205336141051109. The reversal of 205336141051065 is 560150141633502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 205336141051065 - 2¹³ = 205336141042873 is a prime.

It is a super-2 number, since 2×205336141051065² (a number of 29 digits) contains 22 as substring.

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, 860937255 + ... + 861175724.

It is an arithmetic number, because the mean of its divisors is an integer number (20536197286500).

Almost surely, 2^{205336141051065} is an apocalyptic number.

It is an amenable number.

205336141051065 is a deficient number, since it is larger than the sum of its proper divisors (123243015532935).

205336141051065 is a wasteful number, since it uses less digits than its factorization.

205336141051065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722120936.

The product of its (nonzero) digits is 324000, while the sum is 42.

Adding to 205336141051065 its reverse (560150141633502), we get a palindrome (765486282684567).

The spelling of 205336141051065 in words is "two hundred five trillion, three hundred thirty-six billion, one hundred forty-one million, fifty-one thousand, sixty-five".