200551043025 has 18 divisors (see below), whose sum is σ = 359209201910. Its totient is φ = 106960556160.

The previous prime is 200551042987. The next prime is 200551043027. The reversal of 200551043025 is 520340155002.

It is a happy number.

200551043025 is a `hidden beast` number, since 200 + 5 + 5 + 1 + 0 + 430 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 58428074961 + 142122968064 = 241719^2 + 376992^2 .

It is not a de Polignac number, because 200551043025 - 2⁷ = 200551042897 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200551043025.

It is not an unprimeable number, because it can be changed into a prime (200551043027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 445668760 + ... + 445669209.

Almost surely, 2^200551043025 is an apocalyptic number.

200551043025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200551043025 is a deficient number, since it is larger than the sum of its proper divisors (158658158885).

200551043025 is a wasteful number, since it uses less digits than its factorization.

200551043025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891337985 (or 891337977 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 200551043025 its reverse (520340155002), we get a palindrome (720891198027).

The spelling of 200551043025 in words is "two hundred billion, five hundred fifty-one million, forty-three thousand, twenty-five".