13240503503 has 2 divisors, whose sum is σ = 13240503504. Its totient is φ = 13240503502.

The previous prime is 13240503473. The next prime is 13240503509. The reversal of 13240503503 is 30530504231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13240503503 - 2⁶ = 13240503439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13240503509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620251751 + 6620251752.

It is an arithmetic number, because the mean of its divisors is an integer number (6620251752).

Almost surely, 2^13240503503 is an apocalyptic number.

13240503503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240503503 is an equidigital number, since it uses as much as digits as its factorization.

13240503503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 13240503503 in words is "thirteen billion, two hundred forty million, five hundred three thousand, five hundred three".