243563312276011 has 48 divisors (see below), whose sum is σ = 307579149241344. Its totient is φ = 188781144469632.

The previous prime is 243563312275967. The next prime is 243563312276023. The reversal of 243563312276011 is 110672213365342.

It is not a de Polignac number, because 243563312276011 - 2⁷ = 243563312275883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243563312276111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37564210 + ... + 43568296.

It is an arithmetic number, because the mean of its divisors is an integer number (6407898942528).

Almost surely, 2^{243563312276011} is an apocalyptic number.

243563312276011 is a deficient number, since it is larger than the sum of its proper divisors (64015836965333).

243563312276011 is a wasteful number, since it uses less digits than its factorization.

243563312276011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004820 (or 6004807 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 243563312276011 in words is "two hundred forty-three trillion, five hundred sixty-three billion, three hundred twelve million, two hundred seventy-six thousand, eleven".