204111140624450 has 24 divisors (see below), whose sum is σ = 379649521506432. Its totient is φ = 81643854111120.

The previous prime is 204111140624449. The next prime is 204111140624453. The reversal of 204111140624450 is 54426041111402.

204111140624450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204111140624450² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204111140624450.

It is not an unprimeable number, because it can be changed into a prime (204111140624453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8175014 + ... + 21795713.

It is an arithmetic number, because the mean of its divisors is an integer number (15818730062768).

Almost surely, 2^{204111140624450} is an apocalyptic number.

204111140624450 is a deficient number, since it is larger than the sum of its proper divisors (175538380881982).

204111140624450 is a wasteful number, since it uses less digits than its factorization.

204111140624450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30106946 (or 30106941 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 204111140624450 its reverse (54426041111402), we get a palindrome (258537181735852).

The spelling of 204111140624450 in words is "two hundred four trillion, one hundred eleven billion, one hundred forty million, six hundred twenty-four thousand, four hundred fifty".