205575962955 has 32 divisors (see below), whose sum is σ = 359955525888. Its totient is φ = 99358742400.

The previous prime is 205575962897. The next prime is 205575963011. The reversal of 205575962955 is 559269575502.

205575962955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205575962955 - 2¹² = 205575958859 is a prime.

It is a super-2 number, since 2×205575962955² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1912861 + ... + 2017470.

It is an arithmetic number, because the mean of its divisors is an integer number (11248610184).

Almost surely, 2^205575962955 is an apocalyptic number.

205575962955 is a deficient number, since it is larger than the sum of its proper divisors (154379562933).

205575962955 is a wasteful number, since it uses less digits than its factorization.

205575962955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930667.

The product of its (nonzero) digits is 42525000, while the sum is 60.

The spelling of 205575962955 in words is "two hundred five billion, five hundred seventy-five million, nine hundred sixty-two thousand, nine hundred fifty-five".