242005511113 has 2 divisors, whose sum is σ = 242005511114. Its totient is φ = 242005511112.

The previous prime is 242005511047. The next prime is 242005511131. The reversal of 242005511113 is 311115500242.

Together with next prime (242005511131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240691303609 + 1314207504 = 490603^2 + 36252^2 .

It is a cyclic number.

It is not a de Polignac number, because 242005511113 - 2¹⁷ = 242005380041 is a prime.

It is not a weakly prime, because it can be changed into another prime (242005511513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121002755556 + 121002755557.

It is an arithmetic number, because the mean of its divisors is an integer number (121002755557).

Almost surely, 2^242005511113 is an apocalyptic number.

It is an amenable number.

242005511113 is a deficient number, since it is larger than the sum of its proper divisors (1).

242005511113 is an equidigital number, since it uses as much as digits as its factorization.

242005511113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 242005511113 in words is "two hundred forty-two billion, five million, five hundred eleven thousand, one hundred thirteen".