405053350503 has 32 divisors (see below), whose sum is σ = 563103989760. Its totient is φ = 258696292320.

The previous prime is 405053350469. The next prime is 405053350529. The reversal of 405053350503 is 305053350504.

It is not a de Polignac number, because 405053350503 - 2¹⁶ = 405053284967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405053350903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36423378 + ... + 36434496.

It is an arithmetic number, because the mean of its divisors is an integer number (17596999680).

Almost surely, 2^405053350503 is an apocalyptic number.

405053350503 is a deficient number, since it is larger than the sum of its proper divisors (158050639257).

405053350503 is a wasteful number, since it uses less digits than its factorization.

405053350503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15059.

The product of its (nonzero) digits is 67500, while the sum is 33.

Subtracting from 405053350503 its reverse (305053350504), we obtain a palindrome (99999999999).

The spelling of 405053350503 in words is "four hundred five billion, fifty-three million, three hundred fifty thousand, five hundred three".