11280868705 has 8 divisors (see below), whose sum is σ = 13538660904. Its totient is φ = 9023616000.

The previous prime is 11280868681. The next prime is 11280868771. The reversal of 11280868705 is 50786808211.

It can be written as a sum of positive squares in 4 ways, for example, as 396328464 + 10884540241 = 19908^2 + 104329^2 .

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

It is not a de Polignac number, because 11280868705 - 2³¹ = 9133385057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87346 + ... + 173755.

It is an arithmetic number, because the mean of its divisors is an integer number (1692332613).

Almost surely, 2^11280868705 is an apocalyptic number.

It is an amenable number.

11280868705 is a deficient number, since it is larger than the sum of its proper divisors (2257792199).

11280868705 is an equidigital number, since it uses as much as digits as its factorization.

11280868705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269747.

The product of its (nonzero) digits is 215040, while the sum is 46.

The spelling of 11280868705 in words is "eleven billion, two hundred eighty million, eight hundred sixty-eight thousand, seven hundred five".