205541100014015 has 8 divisors (see below), whose sum is σ = 246695055135408. Its totient is φ = 164402389932160.

The previous prime is 205541100013979. The next prime is 205541100014027. The reversal of 205541100014015 is 510410001145502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205541100014015 - 2¹⁴ = 205541099997631 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3811230221 + ... + 3811284150.

It is an arithmetic number, because the mean of its divisors is an integer number (30836881891926).

Almost surely, 2^{205541100014015} is an apocalyptic number.

205541100014015 is a deficient number, since it is larger than the sum of its proper divisors (41153955121393).

205541100014015 is an equidigital number, since it uses as much as digits as its factorization.

205541100014015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622519769.

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 205541100014015 its reverse (510410001145502), we get a palindrome (715951101159517).

The spelling of 205541100014015 in words is "two hundred five trillion, five hundred forty-one billion, one hundred million, fourteen thousand, fifteen".