230205545501111 has 4 divisors (see below), whose sum is σ = 238143667759800. Its totient is φ = 222267423242424.

The previous prime is 230205545501093. The next prime is 230205545501149. The reversal of 230205545501111 is 111105545502032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230205545501111 - 2¹⁸ = 230205545238967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230205545201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969061129301 + ... + 3969061129358.

It is an arithmetic number, because the mean of its divisors is an integer number (59535916939950).

Almost surely, 2^{230205545501111} is an apocalyptic number.

230205545501111 is a deficient number, since it is larger than the sum of its proper divisors (7938122258689).

230205545501111 is an equidigital number, since it uses as much as digits as its factorization.

230205545501111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7938122258688.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 230205545501111 in words is "two hundred thirty trillion, two hundred five billion, five hundred forty-five million, five hundred one thousand, one hundred eleven".