2175561255211 has 8 divisors (see below), whose sum is σ = 2303759211264. Its totient is φ = 2047388161920.

The previous prime is 2175561255173. The next prime is 2175561255227. The reversal of 2175561255211 is 1125521655712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2175561255211 - 2¹¹ = 2175561253163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2175561255311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6035380 + ... + 6385681.

It is an arithmetic number, because the mean of its divisors is an integer number (287969901408).

Almost surely, 2^{2175561255211} is an apocalyptic number.

2175561255211 is a deficient number, since it is larger than the sum of its proper divisors (128197956053).

2175561255211 is a wasteful number, since it uses less digits than its factorization.

2175561255211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431381.

The product of its digits is 210000, while the sum is 43.

The spelling of 2175561255211 in words is "two trillion, one hundred seventy-five billion, five hundred sixty-one million, two hundred fifty-five thousand, two hundred eleven".