241662257256551 has 2 divisors, whose sum is σ = 241662257256552. Its totient is φ = 241662257256550.

The previous prime is 241662257256529. The next prime is 241662257256557. The reversal of 241662257256551 is 155652752266142.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 241662257256551 - 2¹⁸ = 241662256994407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241662257256557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120831128628275 + 120831128628276.

It is an arithmetic number, because the mean of its divisors is an integer number (120831128628276).

Almost surely, 2^{241662257256551} is an apocalyptic number.

241662257256551 is a deficient number, since it is larger than the sum of its proper divisors (1).

241662257256551 is an equidigital number, since it uses as much as digits as its factorization.

241662257256551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480000, while the sum is 59.

The spelling of 241662257256551 in words is "two hundred forty-one trillion, six hundred sixty-two billion, two hundred fifty-seven million, two hundred fifty-six thousand, five hundred fifty-one".