131165124479 has 2 divisors, whose sum is σ = 131165124480. Its totient is φ = 131165124478.

The previous prime is 131165124439. The next prime is 131165124481. The reversal of 131165124479 is 974421561131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131165124479 is a prime.

It is a Sophie Germain prime.

Together with 131165124481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131165124439) 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, 65582562239 + 65582562240.

It is an arithmetic number, because the mean of its divisors is an integer number (65582562240).

Almost surely, 2^131165124479 is an apocalyptic number.

131165124479 is a deficient number, since it is larger than the sum of its proper divisors (1).

131165124479 is an equidigital number, since it uses as much as digits as its factorization.

131165124479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The spelling of 131165124479 in words is "one hundred thirty-one billion, one hundred sixty-five million, one hundred twenty-four thousand, four hundred seventy-nine".