52085518638187 has 8 divisors (see below), whose sum is σ = 53615087847200. Its totient is φ = 50562362718144.

The previous prime is 52085518638143. The next prime is 52085518638193. The reversal of 52085518638187 is 78183681558025.

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 52085518638187 - 2²³ = 52085510249579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52085518638107) 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, 1603305762 + ... + 1603338247.

It is an arithmetic number, because the mean of its divisors is an integer number (6701885980900).

Almost surely, 2^{52085518638187} is an apocalyptic number.

52085518638187 is a deficient number, since it is larger than the sum of its proper divisors (1529569209013).

52085518638187 is a wasteful number, since it uses less digits than its factorization.

52085518638187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206644485.

The product of its (nonzero) digits is 129024000, while the sum is 67.

The spelling of 52085518638187 in words is "fifty-two trillion, eighty-five billion, five hundred eighteen million, six hundred thirty-eight thousand, one hundred eighty-seven".