131796524482561 has 4 divisors (see below), whose sum is σ = 131861867332612. Its totient is φ = 131731181632512.

The previous prime is 131796524482517. The next prime is 131796524482759. The reversal of 131796524482561 is 165284425697131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112717100482561 + 19079424000000 = 10616831^2 + 4368000^2 .

It is a cyclic number.

It is not a de Polignac number, because 131796524482561 - 2¹⁷ = 131796524351489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131796524482493 and 131796524482502.

It is not an unprimeable number, because it can be changed into a prime (131796524488561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32671422000 + ... + 32671426033.

It is an arithmetic number, because the mean of its divisors is an integer number (32965466833153).

Almost surely, 2^{131796524482561} is an apocalyptic number.

It is an amenable number.

131796524482561 is a deficient number, since it is larger than the sum of its proper divisors (65342850051).

131796524482561 is an equidigital number, since it uses as much as digits as its factorization.

131796524482561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65342850050.

The product of its digits is 87091200, while the sum is 64.

The spelling of 131796524482561 in words is "one hundred thirty-one trillion, seven hundred ninety-six billion, five hundred twenty-four million, four hundred eighty-two thousand, five hundred sixty-one".