1253524443139 has 2 divisors, whose sum is σ = 1253524443140. Its totient is φ = 1253524443138.

The previous prime is 1253524443103. The next prime is 1253524443161. The reversal of 1253524443139 is 9313444253521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253524443139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253524443239) 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, 626762221569 + 626762221570.

It is an arithmetic number, because the mean of its divisors is an integer number (626762221570).

Almost surely, 2^{1253524443139} is an apocalyptic number.

1253524443139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253524443139 is an equidigital number, since it uses as much as digits as its factorization.

1253524443139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 46.

The spelling of 1253524443139 in words is "one trillion, two hundred fifty-three billion, five hundred twenty-four million, four hundred forty-three thousand, one hundred thirty-nine".