5340642481521 has 12 divisors (see below), whose sum is σ = 7714666536720. Its totient is φ = 3560241317400.

The previous prime is 5340642481507. The next prime is 5340642481523. The reversal of 5340642481521 is 1251842460435.

5340642481521 is a `hidden beast` number, since 5 + 3 + 4 + 0 + 6 + 42 + 4 + 81 + 521 = 666.

It is not a de Polignac number, because 5340642481521 - 2¹⁰ = 5340642480497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5340642481523) 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 11 ways as a sum of consecutive naturals, for example, 15402651 + ... + 15745568.

It is an arithmetic number, because the mean of its divisors is an integer number (642888878060).

Almost surely, 2^{5340642481521} is an apocalyptic number.

It is an amenable number.

5340642481521 is a deficient number, since it is larger than the sum of its proper divisors (2374024055199).

5340642481521 is a wasteful number, since it uses less digits than its factorization.

5340642481521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31167276 (or 31167273 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 5340642481521 in words is "five trillion, three hundred forty billion, six hundred forty-two million, four hundred eighty-one thousand, five hundred twenty-one".