11011405313405 has 16 divisors (see below), whose sum is σ = 15452550182784. Its totient is φ = 7375080767040.

The previous prime is 11011405313401. The next prime is 11011405313453. The reversal of 11011405313405 is 50431350411011.

It is not a de Polignac number, because 11011405313405 - 2² = 11011405313401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011405313401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3658272686 + ... + 3658275695.

It is an arithmetic number, because the mean of its divisors is an integer number (965784386424).

Almost surely, 2^{11011405313405} is an apocalyptic number.

It is an amenable number.

11011405313405 is a deficient number, since it is larger than the sum of its proper divisors (4441144869379).

11011405313405 is an equidigital number, since it uses as much as digits as its factorization.

11011405313405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316548436.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 11011405313405 its reverse (50431350411011), we get a palindrome (61442755724416).

The spelling of 11011405313405 in words is "eleven trillion, eleven billion, four hundred five million, three hundred thirteen thousand, four hundred five".