5518980174321 has 64 divisors (see below), whose sum is σ = 8623129194240. Its totient is φ = 3484174901760.

The previous prime is 5518980174317. The next prime is 5518980174343. The reversal of 5518980174321 is 1234710898155.

5518980174321 is a `hidden beast` number, since 5 + 51 + 89 + 80 + 1 + 7 + 432 + 1 = 666.

It is not a de Polignac number, because 5518980174321 - 2² = 5518980174317 is a prime.

It is a super-2 number, since 2×5518980174321² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5518980174391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11842311 + ... + 12299523.

It is an arithmetic number, because the mean of its divisors is an integer number (134736393660).

Almost surely, 2^{5518980174321} is an apocalyptic number.

It is an amenable number.

5518980174321 is a deficient number, since it is larger than the sum of its proper divisors (3104149019919).

5518980174321 is a wasteful number, since it uses less digits than its factorization.

5518980174321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457583 (or 457577 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 5518980174321 in words is "five trillion, five hundred eighteen billion, nine hundred eighty million, one hundred seventy-four thousand, three hundred twenty-one".