205051252411 has 8 divisors (see below), whose sum is σ = 212347840320. Its totient is φ = 197869571592.

The previous prime is 205051252387. The next prime is 205051252453. The reversal of 205051252411 is 114252150502.

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

It is not a de Polignac number, because 205051252411 - 2⁵ = 205051252379 is a prime.

It is a super-2 number, since 2×205051252411² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205051252411.

It is not an unprimeable number, because it can be changed into a prime (205051352411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28723141 + ... + 28730278.

It is an arithmetic number, because the mean of its divisors is an integer number (26543480040).

Almost surely, 2^205051252411 is an apocalyptic number.

205051252411 is a deficient number, since it is larger than the sum of its proper divisors (7296587909).

205051252411 is an equidigital number, since it uses as much as digits as its factorization.

205051252411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57453545.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 205051252411 in words is "two hundred five billion, fifty-one million, two hundred fifty-two thousand, four hundred eleven".