205411041454115 has 64 divisors (see below), whose sum is σ = 283241624601600. Its totient is φ = 140087147106816.

The previous prime is 205411041454037. The next prime is 205411041454141. The reversal of 205411041454115 is 511454140114502.

It is not a de Polignac number, because 205411041454115 - 2³⁰ = 205409967712291 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52981953557 + ... + 52981957433.

It is an arithmetic number, because the mean of its divisors is an integer number (4425650384400).

Almost surely, 2^{205411041454115} is an apocalyptic number.

205411041454115 is a deficient number, since it is larger than the sum of its proper divisors (77830583147485).

205411041454115 is a wasteful number, since it uses less digits than its factorization.

205411041454115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324.

The product of its (nonzero) digits is 64000, while the sum is 38.

Adding to 205411041454115 its reverse (511454140114502), we get a palindrome (716865181568617).

The spelling of 205411041454115 in words is "two hundred five trillion, four hundred eleven billion, forty-one million, four hundred fifty-four thousand, one hundred fifteen".