205265051451 has 8 divisors (see below), whose sum is σ = 304096372560. Its totient is φ = 136843367616.

The previous prime is 205265051399. The next prime is 205265051461. The reversal of 205265051451 is 154150562502.

205265051451 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 6 + 505 + 145 + 1 = 666.

It is not a de Polignac number, because 205265051451 - 2¹¹ = 205265049403 is a prime.

It is a super-3 number, since 3×205265051451³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (205265051461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3801204630 + ... + 3801204683.

It is an arithmetic number, because the mean of its divisors is an integer number (38012046570).

Almost surely, 2^205265051451 is an apocalyptic number.

205265051451 is a deficient number, since it is larger than the sum of its proper divisors (98831321109).

205265051451 is an equidigital number, since it uses as much as digits as its factorization.

205265051451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602409322 (or 7602409316 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 205265051451 in words is "two hundred five billion, two hundred sixty-five million, fifty-one thousand, four hundred fifty-one".