205014512415 has 32 divisors (see below), whose sum is σ = 330643809216. Its totient is φ = 108468638720.

The previous prime is 205014512407. The next prime is 205014512429. The reversal of 205014512415 is 514215410502.

It is not a de Polignac number, because 205014512415 - 2³ = 205014512407 is a prime.

It is a super-3 number, since 3×205014512415³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3034705 + ... + 3101525.

It is an arithmetic number, because the mean of its divisors is an integer number (10332619038).

Almost surely, 2^205014512415 is an apocalyptic number.

205014512415 is a deficient number, since it is larger than the sum of its proper divisors (125629296801).

205014512415 is a wasteful number, since it uses less digits than its factorization.

205014512415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68459.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 205014512415 its reverse (514215410502), we get a palindrome (719229922917).

The spelling of 205014512415 in words is "two hundred five billion, fourteen million, five hundred twelve thousand, four hundred fifteen".