201084887242251 has 12 divisors (see below), whose sum is σ = 298306109002512. Its totient is φ = 130433440373136.

The previous prime is 201084887242219. The next prime is 201084887242279. The reversal of 201084887242251 is 152242788480102.

201084887242251 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 8 + 488 + 72 + 42 + 2 + 51 = 666.

It is not a de Polignac number, because 201084887242251 - 2⁵ = 201084887242219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201084887042251) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 301929259791 + ... + 301929260456.

It is an arithmetic number, because the mean of its divisors is an integer number (24858842416876).

Almost surely, 2^{201084887242251} is an apocalyptic number.

201084887242251 is a deficient number, since it is larger than the sum of its proper divisors (97221221760261).

201084887242251 is a wasteful number, since it uses less digits than its factorization.

201084887242251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603858520290 (or 603858520287 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 54.

The spelling of 201084887242251 in words is "two hundred one trillion, eighty-four billion, eight hundred eighty-seven million, two hundred forty-two thousand, two hundred fifty-one".