254134440341215 has 16 divisors (see below), whose sum is σ = 353436066731520. Its totient is φ = 171809199102240.

The previous prime is 254134440341209. The next prime is 254134440341219. The reversal of 254134440341215 is 512143044431452.

It is a de Polignac number, because none of the positive numbers 2^k-254134440341215 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254134440341219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51133687725 + ... + 51133692694.

It is an arithmetic number, because the mean of its divisors is an integer number (22089754170720).

Almost surely, 2^{254134440341215} is an apocalyptic number.

254134440341215 is a deficient number, since it is larger than the sum of its proper divisors (99301626390305).

254134440341215 is a wasteful number, since it uses less digits than its factorization.

254134440341215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102267380502.

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 254134440341215 its reverse (512143044431452), we get a palindrome (766277484772667).

The spelling of 254134440341215 in words is "two hundred fifty-four trillion, one hundred thirty-four billion, four hundred forty million, three hundred forty-one thousand, two hundred fifteen".