200918365455 has 32 divisors (see below), whose sum is σ = 323531941824. Its totient is φ = 106469728256.

The previous prime is 200918365429. The next prime is 200918365489. The reversal of 200918365455 is 554563819002.

It is a cyclic number.

It is not a de Polignac number, because 200918365455 - 2⁵ = 200918365423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4224367 + ... + 4271663.

It is an arithmetic number, because the mean of its divisors is an integer number (10110373182).

Almost surely, 2^200918365455 is an apocalyptic number.

200918365455 is a deficient number, since it is larger than the sum of its proper divisors (122613576369).

200918365455 is a wasteful number, since it uses less digits than its factorization.

200918365455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49115.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 200918365455 in words is "two hundred billion, nine hundred eighteen million, three hundred sixty-five thousand, four hundred fifty-five".