2145315212503 has 2 divisors, whose sum is σ = 2145315212504. Its totient is φ = 2145315212502.

The previous prime is 2145315212477. The next prime is 2145315212527. The reversal of 2145315212503 is 3052125135412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145315212503 - 2⁵ = 2145315212471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145315212533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072657606251 + 1072657606252.

It is an arithmetic number, because the mean of its divisors is an integer number (1072657606252).

Almost surely, 2^{2145315212503} is an apocalyptic number.

2145315212503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145315212503 is an equidigital number, since it uses as much as digits as its factorization.

2145315212503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 2145315212503 in words is "two trillion, one hundred forty-five billion, three hundred fifteen million, two hundred twelve thousand, five hundred three".