56001038671871 has 8 divisors (see below), whose sum is σ = 56008489688064. Its totient is φ = 55993588108920.

The previous prime is 56001038671859. The next prime is 56001038671891. The reversal of 56001038671871 is 17817683010065.

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 56001038671871 - 2¹⁴ = 56001038655487 is a prime.

It is a super-2 number, since 2×56001038671871² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56001038671811) 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, 296661206 + ... + 296849916.

It is an arithmetic number, because the mean of its divisors is an integer number (7001061211008).

Almost surely, 2^{56001038671871} is an apocalyptic number.

56001038671871 is a deficient number, since it is larger than the sum of its proper divisors (7451016193).

56001038671871 is a wasteful number, since it uses less digits than its factorization.

56001038671871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226621.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 56001038671871 in words is "fifty-six trillion, one billion, thirty-eight million, six hundred seventy-one thousand, eight hundred seventy-one".