205415214115 has 8 divisors (see below), whose sum is σ = 246528051840. Its totient is φ = 164312308032.

The previous prime is 205415214107. The next prime is 205415214127. The reversal of 205415214115 is 511412514502.

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

It is a cyclic number.

It is not a de Polignac number, because 205415214115 - 2³ = 205415214107 is a prime.

It is a super-2 number, since 2×205415214115² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437330 + ... + 2520199.

It is an arithmetic number, because the mean of its divisors is an integer number (30816006480).

Almost surely, 2^205415214115 is an apocalyptic number.

205415214115 is a deficient number, since it is larger than the sum of its proper divisors (41112837725).

205415214115 is an equidigital number, since it uses as much as digits as its factorization.

205415214115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965821.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 205415214115 its reverse (511412514502), we get a palindrome (716827728617).

The spelling of 205415214115 in words is "two hundred five billion, four hundred fifteen million, two hundred fourteen thousand, one hundred fifteen".