157195944143519 has 2 divisors, whose sum is σ = 157195944143520. Its totient is φ = 157195944143518.

The previous prime is 157195944143423. The next prime is 157195944143603. The reversal of 157195944143519 is 915341449591751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157195944143519 - 2²⁰ = 157195943094943 is a prime.

It is a super-2 number, since 2×157195944143519² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157195944143219) 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, 78597972071759 + 78597972071760.

It is an arithmetic number, because the mean of its divisors is an integer number (78597972071760).

Almost surely, 2^{157195944143519} is an apocalyptic number.

157195944143519 is a deficient number, since it is larger than the sum of its proper divisors (1).

157195944143519 is an equidigital number, since it uses as much as digits as its factorization.

157195944143519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472000, while the sum is 68.

The spelling of 157195944143519 in words is "one hundred fifty-seven trillion, one hundred ninety-five billion, nine hundred forty-four million, one hundred forty-three thousand, five hundred nineteen".