404564161101 has 4 divisors (see below), whose sum is σ = 539418881472. Its totient is φ = 269709440732.

The previous prime is 404564161097. The next prime is 404564161159. The reversal of 404564161101 is 101161465404.

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 404564161101 - 2² = 404564161097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404564161601) 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, 67427360181 + ... + 67427360186.

It is an arithmetic number, because the mean of its divisors is an integer number (134854720368).

Almost surely, 2^404564161101 is an apocalyptic number.

It is an amenable number.

404564161101 is a deficient number, since it is larger than the sum of its proper divisors (134854720371).

404564161101 is a wasteful number, since it uses less digits than its factorization.

404564161101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134854720370.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 404564161101 in words is "four hundred four billion, five hundred sixty-four million, one hundred sixty-one thousand, one hundred one".