52156260875801 has 4 divisors (see below), whose sum is σ = 52426500569652. Its totient is φ = 51886021181952.

The previous prime is 52156260875783. The next prime is 52156260875867. The reversal of 52156260875801 is 10857806265125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7844592672400 + 44311668203401 = 2800820^2 + 6656701^2 .

It is a cyclic number.

It is not a de Polignac number, because 52156260875801 - 2⁶ = 52156260875737 is a prime.

It is a super-2 number, since 2×52156260875801² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52156260872801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135119846636 + ... + 135119847021.

It is an arithmetic number, because the mean of its divisors is an integer number (13106625142413).

Almost surely, 2^{52156260875801} is an apocalyptic number.

It is an amenable number.

52156260875801 is a deficient number, since it is larger than the sum of its proper divisors (270239693851).

52156260875801 is a wasteful number, since it uses less digits than its factorization.

52156260875801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270239693850.

The product of its (nonzero) digits is 8064000, while the sum is 56.

The spelling of 52156260875801 in words is "fifty-two trillion, one hundred fifty-six billion, two hundred sixty million, eight hundred seventy-five thousand, eight hundred one".