204111112571064 has 96 divisors (see below), whose sum is σ = 591113865972240. Its totient is φ = 63400850304000.

The previous prime is 204111112571063. The next prime is 204111112571071. The reversal of 204111112571064 is 460175211111402.

204111112571064 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 1 + 11 + 12 + 571 + 0 + 64 = 666.

It is a super-2 number, since 2×204111112571064² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204111112571063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825408282 + ... + 825655529.

Almost surely, 2^{204111112571064} is an apocalyptic number.

204111112571064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204111112571064 is an abundant number, since it is smaller than the sum of its proper divisors (387002753401176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204111112571064 is a wasteful number, since it uses less digits than its factorization.

204111112571064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651063941 (or 1651063934 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

Adding to 204111112571064 its reverse (460175211111402), we get a palindrome (664286323682466).

The spelling of 204111112571064 in words is "two hundred four trillion, one hundred eleven billion, one hundred twelve million, five hundred seventy-one thousand, sixty-four".