405311025111055 has 24 divisors (see below), whose sum is σ = 565945912228752. Its totient is φ = 277846601864832.

The previous prime is 405311025111053. The next prime is 405311025111121. The reversal of 405311025111055 is 550111520113504.

It is not a de Polignac number, because 405311025111055 - 2¹ = 405311025111053 is a prime.

It is a super-3 number, since 3×405311025111055³ (a number of 45 digits) contains 333 as substring.

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 405311025111055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405311025111053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240104257 + ... + 241786426.

It is an arithmetic number, because the mean of its divisors is an integer number (23581079676198).

Almost surely, 2^{405311025111055} is an apocalyptic number.

405311025111055 is a deficient number, since it is larger than the sum of its proper divisors (160634887117697).

405311025111055 is a wasteful number, since it uses less digits than its factorization.

405311025111055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481894135 (or 481894128 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 34.

Adding to 405311025111055 its reverse (550111520113504), we get a palindrome (955422545224559).

The spelling of 405311025111055 in words is "four hundred five trillion, three hundred eleven billion, twenty-five million, one hundred eleven thousand, fifty-five".