242504145011 has 2 divisors, whose sum is σ = 242504145012. Its totient is φ = 242504145010.

The previous prime is 242504145001. The next prime is 242504145047. The reversal of 242504145011 is 110541405242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242504145011 is a prime.

It is a super-2 number, since 2×242504145011² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242504145001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121252072505 + 121252072506.

It is an arithmetic number, because the mean of its divisors is an integer number (121252072506).

Almost surely, 2^242504145011 is an apocalyptic number.

242504145011 is a deficient number, since it is larger than the sum of its proper divisors (1).

242504145011 is an equidigital number, since it uses as much as digits as its factorization.

242504145011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 242504145011 in words is "two hundred forty-two billion, five hundred four million, one hundred forty-five thousand, eleven".