1241641061251 has 2 divisors, whose sum is σ = 1241641061252. Its totient is φ = 1241641061250.

The previous prime is 1241641061249. The next prime is 1241641061327. The reversal of 1241641061251 is 1521601461421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1241641061251 - 2¹ = 1241641061249 is a prime.

Together with 1241641061249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1241641761251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620820530625 + 620820530626.

It is an arithmetic number, because the mean of its divisors is an integer number (620820530626).

Almost surely, 2^{1241641061251} is an apocalyptic number.

1241641061251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241641061251 is an equidigital number, since it uses as much as digits as its factorization.

1241641061251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 1241641061251 in words is "one trillion, two hundred forty-one billion, six hundred forty-one million, sixty-one thousand, two hundred fifty-one".