263201707655121 has 8 divisors (see below), whose sum is σ = 357557036814720. Its totient is φ = 172157091799472.

The previous prime is 263201707655069. The next prime is 263201707655123. The reversal of 263201707655121 is 121556707102362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 263201707655121 - 2³⁴ = 263184527785937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (263201707655123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827678325801 + ... + 827678326118.

It is an arithmetic number, because the mean of its divisors is an integer number (44694629601840).

Almost surely, 2^{263201707655121} is an apocalyptic number.

It is an amenable number.

263201707655121 is a deficient number, since it is larger than the sum of its proper divisors (94355329159599).

263201707655121 is a wasteful number, since it uses less digits than its factorization.

263201707655121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655356651975.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 263201707655121 in words is "two hundred sixty-three trillion, two hundred one billion, seven hundred seven million, six hundred fifty-five thousand, one hundred twenty-one".