205300264551613 has 48 divisors (see below), whose sum is σ = 267157880720640. Its totient is φ = 154245406613760.

The previous prime is 205300264551509. The next prime is 205300264551623. The reversal of 205300264551613 is 316155462003502.

It is not a de Polignac number, because 205300264551613 - 2²⁵ = 205300230997181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205300264551613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205300264551623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12108945 + ... + 23605657.

It is an arithmetic number, because the mean of its divisors is an integer number (5565789181680).

Almost surely, 2^{205300264551613} is an apocalyptic number.

It is an amenable number.

205300264551613 is a deficient number, since it is larger than the sum of its proper divisors (61857616169027).

205300264551613 is a wasteful number, since it uses less digits than its factorization.

205300264551613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11497498 (or 11497487 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 205300264551613 in words is "two hundred five trillion, three hundred billion, two hundred sixty-four million, five hundred fifty-one thousand, six hundred thirteen".