871415517473361 has 48 divisors (see below), whose sum is σ = 1452103179316608. Its totient is φ = 493273757491200.

The previous prime is 871415517473329. The next prime is 871415517473383. The reversal of 871415517473361 is 163374715514178.

871415517473361 is a `hidden beast` number, since 8 + 7 + 1 + 4 + 1 + 551 + 7 + 4 + 73 + 3 + 6 + 1 = 666.

It is not a de Polignac number, because 871415517473361 - 2⁵ = 871415517473329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (871415517473861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145746175 + ... + 151607316.

It is an arithmetic number, because the mean of its divisors is an integer number (30252149569096).

Almost surely, 2^{871415517473361} is an apocalyptic number.

It is an amenable number.

871415517473361 is a deficient number, since it is larger than the sum of its proper divisors (580687661843247).

871415517473361 is a wasteful number, since it uses less digits than its factorization.

871415517473361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297353942 (or 297353939 counting only the distinct ones).

The product of its digits is 59270400, while the sum is 63.

The spelling of 871415517473361 in words is "eight hundred seventy-one trillion, four hundred fifteen billion, five hundred seventeen million, four hundred seventy-three thousand, three hundred sixty-one".