1040503504505 has 4 divisors (see below), whose sum is σ = 1248604205412. Its totient is φ = 832402803600.

The previous prime is 1040503504501. The next prime is 1040503504507. The reversal of 1040503504505 is 5054053050401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 819381608809 + 221121895696 = 905197^2 + 470236^2 .

It is not a de Polignac number, because 1040503504505 - 2² = 1040503504501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040503504501) 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, 104050350446 + ... + 104050350455.

It is an arithmetic number, because the mean of its divisors is an integer number (312151051353).

Almost surely, 2^{1040503504505} is an apocalyptic number.

It is an amenable number.

1040503504505 is a deficient number, since it is larger than the sum of its proper divisors (208100700907).

1040503504505 is an equidigital number, since it uses as much as digits as its factorization.

1040503504505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208100700906.

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 1040503504505 its reverse (5054053050401), we get a palindrome (6094556554906).

The spelling of 1040503504505 in words is "one trillion, forty billion, five hundred three million, five hundred four thousand, five hundred five".