157259126513 has 2 divisors, whose sum is σ = 157259126514. Its totient is φ = 157259126512.

The previous prime is 157259126461. The next prime is 157259126551. The reversal of 157259126513 is 315621952751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150332226529 + 6926899984 = 387727^2 + 83228^2 .

It is a cyclic number.

It is not a de Polignac number, because 157259126513 - 2¹⁰ = 157259125489 is a prime.

It is not a weakly prime, because it can be changed into another prime (157259126593) 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, 78629563256 + 78629563257.

It is an arithmetic number, because the mean of its divisors is an integer number (78629563257).

Almost surely, 2^157259126513 is an apocalyptic number.

It is an amenable number.

157259126513 is a deficient number, since it is larger than the sum of its proper divisors (1).

157259126513 is an equidigital number, since it uses as much as digits as its factorization.

157259126513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 47.

The spelling of 157259126513 in words is "one hundred fifty-seven billion, two hundred fifty-nine million, one hundred twenty-six thousand, five hundred thirteen".