405204143102315 has 4 divisors (see below), whose sum is σ = 486244971722784. Its totient is φ = 324163314481848.

The previous prime is 405204143102287. The next prime is 405204143102327. The reversal of 405204143102315 is 513201341402504.

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

It is a cyclic number.

It is not a de Polignac number, because 405204143102315 - 2³⁰ = 405203069360491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40520414310227 + ... + 40520414310236.

It is an arithmetic number, because the mean of its divisors is an integer number (121561242930696).

Almost surely, 2^{405204143102315} is an apocalyptic number.

405204143102315 is a deficient number, since it is larger than the sum of its proper divisors (81040828620469).

405204143102315 is an equidigital number, since it uses as much as digits as its factorization.

405204143102315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81040828620468.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 405204143102315 its reverse (513201341402504), we get a palindrome (918405484504819).

The spelling of 405204143102315 in words is "four hundred five trillion, two hundred four billion, one hundred forty-three million, one hundred two thousand, three hundred fifteen".