205102325315 has 16 divisors (see below), whose sum is σ = 257484052800. Its totient is φ = 156544367232.

The previous prime is 205102325303. The next prime is 205102325321. The reversal of 205102325315 is 513523201502.

It is a cyclic number.

It is not a de Polignac number, because 205102325315 - 2⁶ = 205102325251 is a prime.

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, 2247680 + ... + 2337149.

It is an arithmetic number, because the mean of its divisors is an integer number (16092753300).

Almost surely, 2^205102325315 is an apocalyptic number.

205102325315 is a deficient number, since it is larger than the sum of its proper divisors (52381727485).

205102325315 is a wasteful number, since it uses less digits than its factorization.

205102325315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585246.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 205102325315 its reverse (513523201502), we get a palindrome (718625526817).

The spelling of 205102325315 in words is "two hundred five billion, one hundred two million, three hundred twenty-five thousand, three hundred fifteen".