66050155499941 has 2 divisors, whose sum is σ = 66050155499942. Its totient is φ = 66050155499940.

The previous prime is 66050155499903. The next prime is 66050155499953. The reversal of 66050155499941 is 14999455105066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45899662955041 + 20150492544900 = 6774929^2 + 4488930^2 .

It is a cyclic number.

It is not a de Polignac number, because 66050155499941 - 2⁹ = 66050155499429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66050155494941) 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, 33025077749970 + 33025077749971.

It is an arithmetic number, because the mean of its divisors is an integer number (33025077749971).

Almost surely, 2^{66050155499941} is an apocalyptic number.

It is an amenable number.

66050155499941 is a deficient number, since it is larger than the sum of its proper divisors (1).

66050155499941 is an equidigital number, since it uses as much as digits as its factorization.

66050155499941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488000, while the sum is 64.

The spelling of 66050155499941 in words is "sixty-six trillion, fifty billion, one hundred fifty-five million, four hundred ninety-nine thousand, nine hundred forty-one".