242015611655101 has 2 divisors, whose sum is σ = 242015611655102. Its totient is φ = 242015611655100.

The previous prime is 242015611655071. The next prime is 242015611655107. The reversal of 242015611655101 is 101556116510242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161757037203876 + 80258574451225 = 12718374^2 + 8958715^2 .

It is a cyclic number.

It is not a de Polignac number, because 242015611655101 - 2³³ = 242007021720509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242015611655107) 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, 121007805827550 + 121007805827551.

It is an arithmetic number, because the mean of its divisors is an integer number (121007805827551).

Almost surely, 2^{242015611655101} is an apocalyptic number.

It is an amenable number.

242015611655101 is a deficient number, since it is larger than the sum of its proper divisors (1).

242015611655101 is an equidigital number, since it uses as much as digits as its factorization.

242015611655101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 242015611655101 in words is "two hundred forty-two trillion, fifteen billion, six hundred eleven million, six hundred fifty-five thousand, one hundred one".