255055005501001 has 16 divisors (see below), whose sum is σ = 256503457824768. Its totient is φ = 253609449354000.

The previous prime is 255055005500963. The next prime is 255055005501103. The reversal of 255055005501001 is 100105500550552.

It is a cyclic number.

It is not a de Polignac number, because 255055005501001 - 2⁷ = 255055005500873 is a prime.

It is a super-2 number, since 2×255055005501001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255055005901001) 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 15 ways as a sum of consecutive naturals, for example, 650509320 + ... + 650901286.

It is an arithmetic number, because the mean of its divisors is an integer number (16031466114048).

Almost surely, 2^{255055005501001} is an apocalyptic number.

It is an amenable number.

255055005501001 is a deficient number, since it is larger than the sum of its proper divisors (1448452323767).

255055005501001 is a wasteful number, since it uses less digits than its factorization.

255055005501001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395652.

The product of its (nonzero) digits is 31250, while the sum is 34.

The spelling of 255055005501001 in words is "two hundred fifty-five trillion, fifty-five billion, five million, five hundred one thousand, one".