52178331284081 has 16 divisors (see below), whose sum is σ = 54057863354880. Its totient is φ = 50328784235520.

The previous prime is 52178331284017. The next prime is 52178331284089. The reversal of 52178331284081 is 18048213387125.

It is a cyclic number.

It is not a de Polignac number, because 52178331284081 - 2⁶ = 52178331284017 is a prime.

It is a super-2 number, since 2×52178331284081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52178331284089) 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, 2938121 + ... + 10629638.

It is an arithmetic number, because the mean of its divisors is an integer number (3378616459680).

Almost surely, 2^{52178331284081} is an apocalyptic number.

It is an amenable number.

52178331284081 is a deficient number, since it is larger than the sum of its proper divisors (1879532070799).

52178331284081 is a wasteful number, since it uses less digits than its factorization.

52178331284081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13568864.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 52178331284081 in words is "fifty-two trillion, one hundred seventy-eight billion, three hundred thirty-one million, two hundred eighty-four thousand, eighty-one".