10111115705 has 4 divisors (see below), whose sum is σ = 12133338852. Its totient is φ = 8088892560.

The previous prime is 10111115683. The next prime is 10111115719. The reversal of 10111115705 is 50751111101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50751111101 = 113 ⋅449124877.

It can be written as a sum of positive squares in 2 ways, for example, as 1631836816 + 8479278889 = 40396^2 + 92083^2 .

It is not a de Polignac number, because 10111115705 - 2³⁰ = 9037373881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011111566 + ... + 1011111575.

It is an arithmetic number, because the mean of its divisors is an integer number (3033334713).

Almost surely, 2^10111115705 is an apocalyptic number.

It is an amenable number.

10111115705 is a deficient number, since it is larger than the sum of its proper divisors (2022223147).

10111115705 is an equidigital number, since it uses as much as digits as its factorization.

10111115705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022223146.

The product of its (nonzero) digits is 175, while the sum is 23.

Adding to 10111115705 its reverse (50751111101), we get a palindrome (60862226806).

The spelling of 10111115705 in words is "ten billion, one hundred eleven million, one hundred fifteen thousand, seven hundred five".