404021131113 has 32 divisors (see below), whose sum is σ = 582691885056. Its totient is φ = 248035950848.

The previous prime is 404021131109. The next prime is 404021131117. The reversal of 404021131113 is 311131120404.

It is an interprime number because it is at equal distance from previous prime (404021131109) and next prime (404021131117).

It is a cyclic number.

It is not a de Polignac number, because 404021131113 - 2² = 404021131109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404021131113.

It is not an unprimeable number, because it can be changed into a prime (404021131117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8661070 + ... + 8707592.

It is an arithmetic number, because the mean of its divisors is an integer number (18209121408).

Almost surely, 2^404021131113 is an apocalyptic number.

It is an amenable number.

404021131113 is a deficient number, since it is larger than the sum of its proper divisors (178670753943).

404021131113 is a wasteful number, since it uses less digits than its factorization.

404021131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50213.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 404021131113 its reverse (311131120404), we get a palindrome (715152251517).

The spelling of 404021131113 in words is "four hundred four billion, twenty-one million, one hundred thirty-one thousand, one hundred thirteen".