871130761620251 has 8 divisors (see below), whose sum is σ = 963342610609584. Its totient is φ = 781088603195520.

The previous prime is 871130761620247. The next prime is 871130761620289. The reversal of 871130761620251 is 152026167031178.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 871130761620251 - 2² = 871130761620247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 871130761620251.

It is not an unprimeable number, because it can be changed into a prime (871130761620751) 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, 542422640306 + ... + 542422641911.

It is an arithmetic number, because the mean of its divisors is an integer number (120417826326198).

Almost surely, 2^{871130761620251} is an apocalyptic number.

871130761620251 is a deficient number, since it is larger than the sum of its proper divisors (92211848989333).

871130761620251 is a wasteful number, since it uses less digits than its factorization.

871130761620251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084845282301.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 871130761620251 in words is "eight hundred seventy-one trillion, one hundred thirty billion, seven hundred sixty-one million, six hundred twenty thousand, two hundred fifty-one".