205124000115 has 16 divisors (see below), whose sum is σ = 337068628128. Its totient is φ = 106442724096.

The previous prime is 205124000093. The next prime is 205124000131. The reversal of 205124000115 is 511000421502.

It is not a de Polignac number, because 205124000115 - 2⁵ = 205124000083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205124000091 and 205124000100.

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 15 ways as a sum of consecutive naturals, for example, 184795842 + ... + 184796951.

It is an arithmetic number, because the mean of its divisors is an integer number (21066789258).

Almost surely, 2^205124000115 is an apocalyptic number.

205124000115 is a deficient number, since it is larger than the sum of its proper divisors (131944628013).

205124000115 is a wasteful number, since it uses less digits than its factorization.

205124000115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369592838.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 205124000115 its reverse (511000421502), we get a palindrome (716124421617).

The spelling of 205124000115 in words is "two hundred five billion, one hundred twenty-four million, one hundred fifteen", and thus it is an aban number.