263440712045011 has 8 divisors (see below), whose sum is σ = 274895103094560. Its totient is φ = 251986358249472.

The previous prime is 263440712045009. The next prime is 263440712045023. The reversal of 263440712045011 is 110540217044362.

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 263440712045011 - 2¹ = 263440712045009 is a prime.

It is a super-3 number, since 3×263440712045011³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263440712045041) 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, 5648325 + ... + 23638633.

It is an arithmetic number, because the mean of its divisors is an integer number (34361887886820).

Almost surely, 2^{263440712045011} is an apocalyptic number.

263440712045011 is a deficient number, since it is larger than the sum of its proper divisors (11454391049549).

263440712045011 is a wasteful number, since it uses less digits than its factorization.

263440712045011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627005.

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 263440712045011 its reverse (110540217044362), we get a palindrome (373980929089373).

The spelling of 263440712045011 in words is "two hundred sixty-three trillion, four hundred forty billion, seven hundred twelve million, forty-five thousand, eleven".