159423577525 has 6 divisors (see below), whose sum is σ = 197685236162. Its totient is φ = 127538862000.

The previous prime is 159423577471. The next prime is 159423577549. The reversal of 159423577525 is 525775324951.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 24475350916 + 134948226609 = 156446^2 + 367353^2 .

It is not a de Polignac number, because 159423577525 - 2²³ = 159415188917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3188471526 + ... + 3188471575.

Almost surely, 2^159423577525 is an apocalyptic number.

It is an amenable number.

159423577525 is a deficient number, since it is larger than the sum of its proper divisors (38261658637).

159423577525 is an equidigital number, since it uses as much as digits as its factorization.

159423577525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376943111 (or 6376943106 counting only the distinct ones).

The product of its digits is 13230000, while the sum is 55.

The spelling of 159423577525 in words is "one hundred fifty-nine billion, four hundred twenty-three million, five hundred seventy-seven thousand, five hundred twenty-five".