404312011053121 has 4 divisors (see below), whose sum is σ = 428095070526852. Its totient is φ = 380528951579392.

The previous prime is 404312011053079. The next prime is 404312011053131. The reversal of 404312011053121 is 121350110213404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 271666575900721 + 132645435152400 = 16482311^2 + 11517180^2 .

It is a cyclic number.

It is not a de Polignac number, because 404312011053121 - 2⁷ = 404312011052993 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 404312011053121.

It is not an unprimeable number, because it can be changed into a prime (404312011053131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11891529736840 + ... + 11891529736873.

It is an arithmetic number, because the mean of its divisors is an integer number (107023767631713).

Almost surely, 2^{404312011053121} is an apocalyptic number.

It is an amenable number.

404312011053121 is a deficient number, since it is larger than the sum of its proper divisors (23783059473731).

404312011053121 is a wasteful number, since it uses less digits than its factorization.

404312011053121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23783059473730.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 404312011053121 its reverse (121350110213404), we get a palindrome (525662121266525).

The spelling of 404312011053121 in words is "four hundred four trillion, three hundred twelve billion, eleven million, fifty-three thousand, one hundred twenty-one".