871150561 has 16 divisors (see below), whose sum is σ = 910891008. Its totient is φ = 832204800.

The previous prime is 871150547. The next prime is 871150573. The reversal of 871150561 is 165051178.

It is a cyclic number.

It is not a de Polignac number, because 871150561 - 2¹³ = 871142369 is a prime.

It is a super-2 number, since 2×871150561² = 1517806599861229442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871150541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509505 + ... + 1510081.

It is an arithmetic number, because the mean of its divisors is an integer number (56930688).

Almost surely, 2^871150561 is an apocalyptic number.

It is an amenable number.

871150561 is a deficient number, since it is larger than the sum of its proper divisors (39740447).

871150561 is a wasteful number, since it uses less digits than its factorization.

871150561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 8400, while the sum is 34.

The square root of 871150561 is about 29515.2597989582. The cubic root of 871150561 is about 955.0609176897.

The spelling of 871150561 in words is "eight hundred seventy-one million, one hundred fifty thousand, five hundred sixty-one".