5180727218261 has 8 divisors (see below), whose sum is σ = 5921143225920. Its totient is φ = 4440389240448.

The previous prime is 5180727218209. The next prime is 5180727218269. The reversal of 5180727218261 is 1628127270815.

It is a happy number.

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

It is not a de Polignac number, because 5180727218261 - 2³⁸ = 4905849311317 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 (5180727218269) 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, 19365116 + ... + 19630821.

It is an arithmetic number, because the mean of its divisors is an integer number (740142903240).

Almost surely, 2^{5180727218261} is an apocalyptic number.

It is an amenable number.

5180727218261 is a deficient number, since it is larger than the sum of its proper divisors (740416007659).

5180727218261 is a wasteful number, since it uses less digits than its factorization.

5180727218261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39014923.

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 5180727218261 in words is "five trillion, one hundred eighty billion, seven hundred twenty-seven million, two hundred eighteen thousand, two hundred sixty-one".