204154111132 has 6 divisors (see below), whose sum is σ = 357269694488. Its totient is φ = 102077055564.

The previous prime is 204154111121. The next prime is 204154111163. The reversal of 204154111132 is 231111451402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204154111097 and 204154111106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25519263888 + ... + 25519263895.

Almost surely, 2^204154111132 is an apocalyptic number.

It is an amenable number.

204154111132 is a deficient number, since it is larger than the sum of its proper divisors (153115583356).

204154111132 is a wasteful number, since it uses less digits than its factorization.

204154111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51038527787 (or 51038527785 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 204154111132 its reverse (231111451402), we get a palindrome (435265562534).

The spelling of 204154111132 in words is "two hundred four billion, one hundred fifty-four million, one hundred eleven thousand, one hundred thirty-two".