254242515113 has 4 divisors (see below), whose sum is σ = 254576605908. Its totient is φ = 253908424320.

The previous prime is 254242515077. The next prime is 254242515143. The reversal of 254242515113 is 311515242452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120046311529 + 134196203584 = 346477^2 + 366328^2 .

It is a cyclic number.

It is not a de Polignac number, because 254242515113 - 2¹⁶ = 254242449577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254242515143) 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 in 3 ways as a sum of consecutive naturals, for example, 167044256 + ... + 167045777.

It is an arithmetic number, because the mean of its divisors is an integer number (63644151477).

Almost surely, 2^254242515113 is an apocalyptic number.

It is an amenable number.

254242515113 is a deficient number, since it is larger than the sum of its proper divisors (334090795).

254242515113 is an equidigital number, since it uses as much as digits as its factorization.

254242515113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334090794.

The product of its digits is 48000, while the sum is 35.

Adding to 254242515113 its reverse (311515242452), we get a palindrome (565757757565).

The spelling of 254242515113 in words is "two hundred fifty-four billion, two hundred forty-two million, five hundred fifteen thousand, one hundred thirteen".