532431111491 has 2 divisors, whose sum is σ = 532431111492. Its totient is φ = 532431111490.

The previous prime is 532431111481. The next prime is 532431111523. The reversal of 532431111491 is 194111134235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 532431111491 - 2⁶ = 532431111427 is a prime.

It is not a weakly prime, because it can be changed into another prime (532431111451) 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, 266215555745 + 266215555746.

It is an arithmetic number, because the mean of its divisors is an integer number (266215555746).

Almost surely, 2^532431111491 is an apocalyptic number.

532431111491 is a deficient number, since it is larger than the sum of its proper divisors (1).

532431111491 is an equidigital number, since it uses as much as digits as its factorization.

532431111491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The spelling of 532431111491 in words is "five hundred thirty-two billion, four hundred thirty-one million, one hundred eleven thousand, four hundred ninety-one".