200125555 has 12 divisors (see below), whose sum is σ = 279359280. Its totient is φ = 137228784.

The previous prime is 200125531. The next prime is 200125561. The reversal of 200125555 is 555521002.

It is a happy number.

It is not a de Polignac number, because 200125555 - 2¹³ = 200117363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408175 + ... + 408664.

It is an arithmetic number, because the mean of its divisors is an integer number (23279940).

Almost surely, 2^200125555 is an apocalyptic number.

200125555 is a deficient number, since it is larger than the sum of its proper divisors (79233725).

200125555 is an equidigital number, since it uses as much as digits as its factorization.

200125555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816858 (or 816851 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 200125555 is about 14146.5739668656. The cubic root of 200125555 is about 584.9258970592.

Adding to 200125555 its reverse (555521002), we get a palindrome (755646557).

It can be divided in two parts, 2001 and 25555, that added together give a square (27556 = 166²).

The spelling of 200125555 in words is "two hundred million, one hundred twenty-five thousand, five hundred fifty-five".