405144501242105 has 16 divisors (see below), whose sum is σ = 486288733972800. Its totient is φ = 324038721343680.

The previous prime is 405144501242021. The next prime is 405144501242153. The reversal of 405144501242105 is 501242105441504.

It is not a de Polignac number, because 405144501242105 - 2²⁰ = 405144500193529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379535006 + ... + 380600984.

It is an arithmetic number, because the mean of its divisors is an integer number (30393045873300).

Almost surely, 2^{405144501242105} is an apocalyptic number.

It is an amenable number.

405144501242105 is a deficient number, since it is larger than the sum of its proper divisors (81144232730695).

405144501242105 is a wasteful number, since it uses less digits than its factorization.

405144501242105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083944.

The product of its (nonzero) digits is 128000, while the sum is 38.

Adding to 405144501242105 its reverse (501242105441504), we get a palindrome (906386606683609).

The spelling of 405144501242105 in words is "four hundred five trillion, one hundred forty-four billion, five hundred one million, two hundred forty-two thousand, one hundred five".