10171559921 has 8 divisors (see below), whose sum is σ = 10791214080. Its totient is φ = 9560336688.

The previous prime is 10171559899. The next prime is 10171559933. The reversal of 10171559921 is 12995517101.

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 10171559921 - 2⁶ = 10171559857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10171559521) 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, 2105246 + ... + 2110071.

It is an arithmetic number, because the mean of its divisors is an integer number (1348901760).

Almost surely, 2^10171559921 is an apocalyptic number.

It is an amenable number.

10171559921 is a deficient number, since it is larger than the sum of its proper divisors (619654159).

10171559921 is a wasteful number, since it uses less digits than its factorization.

10171559921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215463.

The product of its (nonzero) digits is 28350, while the sum is 41.

The spelling of 10171559921 in words is "ten billion, one hundred seventy-one million, five hundred fifty-nine thousand, nine hundred twenty-one".