2145320102503 has 2 divisors, whose sum is σ = 2145320102504. Its totient is φ = 2145320102502.

The previous prime is 2145320102483. The next prime is 2145320102537. The reversal of 2145320102503 is 3052010235412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2145320102503 - 2³³ = 2136730167911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145320102903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072660051251 + 1072660051252.

It is an arithmetic number, because the mean of its divisors is an integer number (1072660051252).

Almost surely, 2^{2145320102503} is an apocalyptic number.

2145320102503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145320102503 is an equidigital number, since it uses as much as digits as its factorization.

2145320102503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 2145320102503 its reverse (3052010235412), we get a palindrome (5197330337915).

The spelling of 2145320102503 in words is "two trillion, one hundred forty-five billion, three hundred twenty million, one hundred two thousand, five hundred three".