1113321311503 has 2 divisors, whose sum is σ = 1113321311504. Its totient is φ = 1113321311502.

The previous prime is 1113321311497. The next prime is 1113321311567. The reversal of 1113321311503 is 3051131233111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113321311503 - 2⁵ = 1113321311471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113321311303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556660655751 + 556660655752.

It is an arithmetic number, because the mean of its divisors is an integer number (556660655752).

Almost surely, 2^{1113321311503} is an apocalyptic number.

1113321311503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113321311503 is an equidigital number, since it uses as much as digits as its factorization.

1113321311503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

Adding to 1113321311503 its reverse (3051131233111), we get a palindrome (4164452544614).

The spelling of 1113321311503 in words is "one trillion, one hundred thirteen billion, three hundred twenty-one million, three hundred eleven thousand, five hundred three".