404531105311 has 16 divisors (see below), whose sum is σ = 420913864800. Its totient is φ = 388311573888.

The previous prime is 404531105309. The next prime is 404531105353. The reversal of 404531105311 is 113501135404.

It is not a de Polignac number, because 404531105311 - 2¹ = 404531105309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404531105311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404531105611) 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, 43044265 + ... + 43053661.

It is an arithmetic number, because the mean of its divisors is an integer number (26307116550).

Almost surely, 2^404531105311 is an apocalyptic number.

404531105311 is a deficient number, since it is larger than the sum of its proper divisors (16382759489).

404531105311 is a wasteful number, since it uses less digits than its factorization.

404531105311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17898.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 404531105311 in words is "four hundred four billion, five hundred thirty-one million, one hundred five thousand, three hundred eleven".