1355503223003 has 4 divisors (see below), whose sum is σ = 1356890637720. Its totient is φ = 1354115808288.

The previous prime is 1355503222907. The next prime is 1355503223017. The reversal of 1355503223003 is 3003223055531.

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 1355503223003 - 2¹² = 1355503218907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355503223033) 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, 693705893 + ... + 693707846.

It is an arithmetic number, because the mean of its divisors is an integer number (339222659430).

Almost surely, 2^{1355503223003} is an apocalyptic number.

1355503223003 is a deficient number, since it is larger than the sum of its proper divisors (1387414717).

1355503223003 is an equidigital number, since it uses as much as digits as its factorization.

1355503223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387414716.

The product of its (nonzero) digits is 40500, while the sum is 32.

Adding to 1355503223003 its reverse (3003223055531), we get a palindrome (4358726278534).

The spelling of 1355503223003 in words is "one trillion, three hundred fifty-five billion, five hundred three million, two hundred twenty-three thousand, three".