405203505411 has 4 divisors (see below), whose sum is σ = 540271340552. Its totient is φ = 270135670272.

The previous prime is 405203505391. The next prime is 405203505431. The reversal of 405203505411 is 114505302504.

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 (405203505391) and next prime (405203505431).

It is not a de Polignac number, because 405203505411 - 2¹⁴ = 405203489027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405203505431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67533917566 + ... + 67533917571.

It is an arithmetic number, because the mean of its divisors is an integer number (135067835138).

Almost surely, 2^405203505411 is an apocalyptic number.

405203505411 is a deficient number, since it is larger than the sum of its proper divisors (135067835141).

405203505411 is a wasteful number, since it uses less digits than its factorization.

405203505411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135067835140.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 405203505411 its reverse (114505302504), we get a palindrome (519708807915).

The spelling of 405203505411 in words is "four hundred five billion, two hundred three million, five hundred five thousand, four hundred eleven".