405000020155411 has 4 divisors (see below), whose sum is σ = 405000123676672. Its totient is φ = 404999916634152.

The previous prime is 405000020155369. The next prime is 405000020155453. The reversal of 405000020155411 is 114551020000504.

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

It is an interprime number because it is at equal distance from previous prime (405000020155369) and next prime (405000020155453).

It is a cyclic number.

It is not a de Polignac number, because 405000020155411 - 2²⁹ = 404999483284499 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 405000020155411.

It is not an unprimeable number, because it can be changed into a prime (405000020195411) 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, 45651960 + ... + 53796853.

It is an arithmetic number, because the mean of its divisors is an integer number (101250030919168).

Almost surely, 2^{405000020155411} is an apocalyptic number.

405000020155411 is a deficient number, since it is larger than the sum of its proper divisors (103521261).

405000020155411 is an equidigital number, since it uses as much as digits as its factorization.

405000020155411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103521260.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 405000020155411 its reverse (114551020000504), we get a palindrome (519551040155915).

The spelling of 405000020155411 in words is "four hundred five trillion, twenty million, one hundred fifty-five thousand, four hundred eleven".