205052401115 has 16 divisors (see below), whose sum is σ = 251474775552. Its totient is φ = 160438894944.

The previous prime is 205052401097. The next prime is 205052401123. The reversal of 205052401115 is 511104250502.

It is a cyclic number.

It is not a de Polignac number, because 205052401115 - 2⁶ = 205052401051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29612 + ... + 641078.

It is an arithmetic number, because the mean of its divisors is an integer number (15717173472).

Almost surely, 2^205052401115 is an apocalyptic number.

205052401115 is a deficient number, since it is larger than the sum of its proper divisors (46422374437).

205052401115 is a wasteful number, since it uses less digits than its factorization.

205052401115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612946.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 205052401115 its reverse (511104250502), we get a palindrome (716156651617).

The spelling of 205052401115 in words is "two hundred five billion, fifty-two million, four hundred one thousand, one hundred fifteen".