5382121377555 has 96 divisors (see below), whose sum is σ = 10484686832256. Its totient is φ = 2534154872832.

The previous prime is 5382121377491. The next prime is 5382121377557. The reversal of 5382121377555 is 5557731212835.

5382121377555 is a `hidden beast` number, since 5 + 3 + 8 + 2 + 1 + 2 + 13 + 77 + 555 = 666.

It is not a de Polignac number, because 5382121377555 - 2⁶ = 5382121377491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5382121377557) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 146008687 + ... + 146045543.

It is an arithmetic number, because the mean of its divisors is an integer number (109215487836).

Almost surely, 2^{5382121377555} is an apocalyptic number.

5382121377555 is a deficient number, since it is larger than the sum of its proper divisors (5102565454701).

5382121377555 is a wasteful number, since it uses less digits than its factorization.

5382121377555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47757 (or 47754 counting only the distinct ones).

The product of its digits is 8820000, while the sum is 54.

The spelling of 5382121377555 in words is "five trillion, three hundred eighty-two billion, one hundred twenty-one million, three hundred seventy-seven thousand, five hundred fifty-five".