11434620161 has 16 divisors (see below), whose sum is σ = 11629958400. Its totient is φ = 11241216000.

The previous prime is 11434620151. The next prime is 11434620167. The reversal of 11434620161 is 16102643411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11434620161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11434620167) 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, 15472730 + ... + 15473468.

It is an arithmetic number, because the mean of its divisors is an integer number (726872400).

Almost surely, 2^11434620161 is an apocalyptic number.

It is an amenable number.

11434620161 is a deficient number, since it is larger than the sum of its proper divisors (195338239).

11434620161 is a wasteful number, since it uses less digits than its factorization.

11434620161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 11434620161 in words is "eleven billion, four hundred thirty-four million, six hundred twenty thousand, one hundred sixty-one".