51601210871 has 8 divisors (see below), whose sum is σ = 61006357920. Its totient is φ = 42704450208.

The previous prime is 51601210853. The next prime is 51601210889. The reversal of 51601210871 is 17801210615.

It is an interprime number because it is at equal distance from previous prime (51601210853) and next prime (51601210889).

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

It is not a de Polignac number, because 51601210871 - 2²⁶ = 51534102007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51601210811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127096376 + ... + 127096781.

It is an arithmetic number, because the mean of its divisors is an integer number (7625794740).

Almost surely, 2^51601210871 is an apocalyptic number.

51601210871 is a deficient number, since it is larger than the sum of its proper divisors (9405147049).

51601210871 is a wasteful number, since it uses less digits than its factorization.

51601210871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254193193.

The product of its (nonzero) digits is 3360, while the sum is 32.

The spelling of 51601210871 in words is "fifty-one billion, six hundred one million, two hundred ten thousand, eight hundred seventy-one".