205053263661331 has 8 divisors (see below), whose sum is σ = 210067714047744. Its totient is φ = 200039439526080.

The previous prime is 205053263661307. The next prime is 205053263661347. The reversal of 205053263661331 is 133166362350502.

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 205053263661331 - 2²⁹ = 205052726790419 is a prime.

It is a super-2 number, since 2×205053263661331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205053263461331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155899891 + ... + 157209676.

It is an arithmetic number, because the mean of its divisors is an integer number (26258464255968).

Almost surely, 2^{205053263661331} is an apocalyptic number.

205053263661331 is a deficient number, since it is larger than the sum of its proper divisors (5014450386413).

205053263661331 is a wasteful number, since it uses less digits than its factorization.

205053263661331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313125581.

The product of its (nonzero) digits is 1749600, while the sum is 46.

The spelling of 205053263661331 in words is "two hundred five trillion, fifty-three billion, two hundred sixty-three million, six hundred sixty-one thousand, three hundred thirty-one".