13120342032491 has 2 divisors, whose sum is σ = 13120342032492. Its totient is φ = 13120342032490.

The previous prime is 13120342032397. The next prime is 13120342032517. The reversal of 13120342032491 is 19423024302131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13120342032491 - 2²² = 13120337838187 is a prime.

It is not a weakly prime, because it can be changed into another prime (13120342092491) 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, 6560171016245 + 6560171016246.

It is an arithmetic number, because the mean of its divisors is an integer number (6560171016246).

Almost surely, 2^{13120342032491} is an apocalyptic number.

13120342032491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120342032491 is an equidigital number, since it uses as much as digits as its factorization.

13120342032491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 13120342032491 in words is "thirteen trillion, one hundred twenty billion, three hundred forty-two million, thirty-two thousand, four hundred ninety-one".