242153553113 has 2 divisors, whose sum is σ = 242153553114. Its totient is φ = 242153553112.

The previous prime is 242153553029. The next prime is 242153553121. The reversal of 242153553113 is 311355351242.

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., 144402280009 + 97751273104 = 380003^2 + 312652^2 .

It is a cyclic number.

It is not a de Polignac number, because 242153553113 - 2⁸ = 242153552857 is a prime.

It is not a weakly prime, because it can be changed into another prime (242153553193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121076776556 + 121076776557.

It is an arithmetic number, because the mean of its divisors is an integer number (121076776557).

Almost surely, 2^242153553113 is an apocalyptic number.

It is an amenable number.

242153553113 is a deficient number, since it is larger than the sum of its proper divisors (1).

242153553113 is an equidigital number, since it uses as much as digits as its factorization.

242153553113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 35.

The spelling of 242153553113 in words is "two hundred forty-two billion, one hundred fifty-three million, five hundred fifty-three thousand, one hundred thirteen".