2530255278139 has 2 divisors, whose sum is σ = 2530255278140. Its totient is φ = 2530255278138.

The previous prime is 2530255278013. The next prime is 2530255278181. The reversal of 2530255278139 is 9318725520352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2530255278139 - 2¹¹ = 2530255276091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2530255278839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265127639069 + 1265127639070.

It is an arithmetic number, because the mean of its divisors is an integer number (1265127639070).

Almost surely, 2^{2530255278139} is an apocalyptic number.

2530255278139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530255278139 is an equidigital number, since it uses as much as digits as its factorization.

2530255278139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 2530255278139 in words is "two trillion, five hundred thirty billion, two hundred fifty-five million, two hundred seventy-eight thousand, one hundred thirty-nine".