11438863240705 has 16 divisors (see below), whose sum is σ = 14148520068240. Its totient is φ = 8871620228352.

The previous prime is 11438863240663. The next prime is 11438863240733. The reversal of 11438863240705 is 50704236883411.

It can be written as a sum of positive squares in 8 ways, for example, as 776904129 + 11438086336576 = 27873^2 + 3382024^2 .

It is a cyclic number.

It is not a de Polignac number, because 11438863240705 - 2⁹ = 11438863240193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111558310 + ... + 111660799.

It is an arithmetic number, because the mean of its divisors is an integer number (884282504265).

Almost surely, 2^{11438863240705} is an apocalyptic number.

It is an amenable number.

11438863240705 is a deficient number, since it is larger than the sum of its proper divisors (2709656827535).

11438863240705 is a wasteful number, since it uses less digits than its factorization.

11438863240705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223219428.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 11438863240705 in words is "eleven trillion, four hundred thirty-eight billion, eight hundred sixty-three million, two hundred forty thousand, seven hundred five".