11103434536409 has 4 divisors (see below), whose sum is σ = 11103606910080. Its totient is φ = 11103262162740.

The previous prime is 11103434536379. The next prime is 11103434536457. The reversal of 11103434536409 is 90463543430111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11103434536409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11103434536409.

It is not an unprimeable number, because it can be changed into a prime (11103434536489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86090177 + ... + 86219054.

It is an arithmetic number, because the mean of its divisors is an integer number (2775901727520).

Almost surely, 2^{11103434536409} is an apocalyptic number.

It is an amenable number.

11103434536409 is a deficient number, since it is larger than the sum of its proper divisors (172373671).

11103434536409 is an equidigital number, since it uses as much as digits as its factorization.

11103434536409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172373670.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 11103434536409 in words is "eleven trillion, one hundred three billion, four hundred thirty-four million, five hundred thirty-six thousand, four hundred nine".