4278073025503 has 2 divisors, whose sum is σ = 4278073025504. Its totient is φ = 4278073025502.

The previous prime is 4278073025441. The next prime is 4278073025509. The reversal of 4278073025503 is 3055203708724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4278073025503 - 2²⁵ = 4278039471071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4278073025509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139036512751 + 2139036512752.

It is an arithmetic number, because the mean of its divisors is an integer number (2139036512752).

Almost surely, 2^{4278073025503} is an apocalyptic number.

4278073025503 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278073025503 is an equidigital number, since it uses as much as digits as its factorization.

4278073025503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 4278073025503 in words is "four trillion, two hundred seventy-eight billion, seventy-three million, twenty-five thousand, five hundred three".