405453503161 has 12 divisors (see below), whose sum is σ = 473137866468. Its totient is φ = 346435246752.

The previous prime is 405453503137. The next prime is 405453503167. The reversal of 405453503161 is 161305354504.

It can be written as a sum of positive squares in 2 ways, for example, as 59997563136 + 345455940025 = 244944^2 + 587755^2 .

It is not a de Polignac number, because 405453503161 - 2²⁵ = 405419948729 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 405453503161.

It is not an unprimeable number, because it can be changed into a prime (405453503167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13035826 + ... + 13066891.

It is an arithmetic number, because the mean of its divisors is an integer number (39428155539).

Almost surely, 2^405453503161 is an apocalyptic number.

It is an amenable number.

405453503161 is a deficient number, since it is larger than the sum of its proper divisors (67684363307).

405453503161 is a wasteful number, since it uses less digits than its factorization.

405453503161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26103048 (or 26103041 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 405453503161 its reverse (161305354504), we get a palindrome (566758857665).

The spelling of 405453503161 in words is "four hundred five billion, four hundred fifty-three million, five hundred three thousand, one hundred sixty-one".