11408988936805 has 4 divisors (see below), whose sum is σ = 13690786724172. Its totient is φ = 9127191149440.

The previous prime is 11408988936749. The next prime is 11408988936827. The reversal of 11408988936805 is 50863988980411.

11408988936805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7299258537796 + 4109730399009 = 2701714^2 + 2027247^2 .

It is not a de Polignac number, because 11408988936805 - 2²⁵ = 11408955382373 is a prime.

It is a Duffinian number.

It is a congruent 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, 1140898893676 + ... + 1140898893685.

It is an arithmetic number, because the mean of its divisors is an integer number (3422696681043).

Almost surely, 2^{11408988936805} is an apocalyptic number.

It is an amenable number.

11408988936805 is a deficient number, since it is larger than the sum of its proper divisors (2281797787367).

11408988936805 is an equidigital number, since it uses as much as digits as its factorization.

11408988936805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281797787366.

The product of its (nonzero) digits is 119439360, while the sum is 70.

The spelling of 11408988936805 in words is "eleven trillion, four hundred eight billion, nine hundred eighty-eight million, nine hundred thirty-six thousand, eight hundred five".