200113551 has 24 divisors (see below), whose sum is σ = 325871280. Its totient is φ = 121278960.

The previous prime is 200113549. The next prime is 200113559. The reversal of 200113551 is 155311002.

200113551 is a `hidden beast` number, since 2 + 0 + 0 + 113 + 551 = 666.

It is not a de Polignac number, because 200113551 - 2¹ = 200113549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200113559) 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, 27360 + ... + 33893.

It is an arithmetic number, because the mean of its divisors is an integer number (13577970).

Almost surely, 2^200113551 is an apocalyptic number.

200113551 is a deficient number, since it is larger than the sum of its proper divisors (125757729).

200113551 is a wasteful number, since it uses less digits than its factorization.

200113551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61284 (or 61267 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 200113551 is about 14146.1496881660. The cubic root of 200113551 is about 584.9142017498.

Adding to 200113551 its reverse (155311002), we get a palindrome (355424553).

The spelling of 200113551 in words is "two hundred million, one hundred thirteen thousand, five hundred fifty-one".