241555314431591 has 2 divisors, whose sum is σ = 241555314431592. Its totient is φ = 241555314431590.

The previous prime is 241555314431579. The next prime is 241555314431659. The reversal of 241555314431591 is 195134413555142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 241555314431591 - 2⁴² = 237157267920487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241555314431191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120777657215795 + 120777657215796.

It is an arithmetic number, because the mean of its divisors is an integer number (120777657215796).

Almost surely, 2^{241555314431591} is an apocalyptic number.

241555314431591 is a deficient number, since it is larger than the sum of its proper divisors (1).

241555314431591 is an equidigital number, since it uses as much as digits as its factorization.

241555314431591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480000, while the sum is 53.

The spelling of 241555314431591 in words is "two hundred forty-one trillion, five hundred fifty-five billion, three hundred fourteen million, four hundred thirty-one thousand, five hundred ninety-one".