11205438434929 has 4 divisors (see below), whose sum is σ = 11206326429040. Its totient is φ = 11204550440820.

The previous prime is 11205438434917. The next prime is 11205438434963. The reversal of 11205438434929 is 92943483450211.

11205438434929 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11205438434929 - 2¹³ = 11205438426737 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 11205438434929.

It is not an unprimeable number, because it can be changed into a prime (11205438434969) 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, 443978127 + ... + 444003364.

It is an arithmetic number, because the mean of its divisors is an integer number (2801581607260).

Almost surely, 2^{11205438434929} is an apocalyptic number.

It is an amenable number.

11205438434929 is a deficient number, since it is larger than the sum of its proper divisors (887994111).

11205438434929 is an equidigital number, since it uses as much as digits as its factorization.

11205438434929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887994110.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 11205438434929 in words is "eleven trillion, two hundred five billion, four hundred thirty-eight million, four hundred thirty-four thousand, nine hundred twenty-nine".