13550142503 has 2 divisors, whose sum is σ = 13550142504. Its totient is φ = 13550142502.

The previous prime is 13550142491. The next prime is 13550142583. The reversal of 13550142503 is 30524105531.

13550142503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13550142503 - 2¹⁴ = 13550126119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13550142583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775071251 + 6775071252.

It is an arithmetic number, because the mean of its divisors is an integer number (6775071252).

Almost surely, 2^13550142503 is an apocalyptic number.

13550142503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13550142503 is an equidigital number, since it uses as much as digits as its factorization.

13550142503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 13550142503 in words is "thirteen billion, five hundred fifty million, one hundred forty-two thousand, five hundred three".