205963544855112 has 128 divisors (see below), whose sum is σ = 596259182413440. Its totient is φ = 58593866158080.

The previous prime is 205963544855051. The next prime is 205963544855119. The reversal of 205963544855112 is 211558445369502.

It is not an unprimeable number, because it can be changed into a prime (205963544855119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56016823 + ... + 59580294.

It is an arithmetic number, because the mean of its divisors is an integer number (4658274862605).

Almost surely, 2^{205963544855112} is an apocalyptic number.

205963544855112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205963544855112 is an abundant number, since it is smaller than the sum of its proper divisors (390295637558328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205963544855112 is a wasteful number, since it uses less digits than its factorization.

205963544855112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115597551 (or 115597547 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 60.

The spelling of 205963544855112 in words is "two hundred five trillion, nine hundred sixty-three billion, five hundred forty-four million, eight hundred fifty-five thousand, one hundred twelve".