5322520139661 has 40 divisors (see below), whose sum is σ = 7974882655520. Its totient is φ = 3537662016672.

The previous prime is 5322520139653. The next prime is 5322520139683. The reversal of 5322520139661 is 1669310252235.

5322520139661 is a `hidden beast` number, since 5 + 3 + 2 + 252 + 0 + 1 + 396 + 6 + 1 = 666.

It is not a de Polignac number, because 5322520139661 - 2³ = 5322520139653 is a prime.

It is a super-3 number, since 3×5322520139661³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5322520134661) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 85834110 + ... + 85896096.

It is an arithmetic number, because the mean of its divisors is an integer number (199372066388).

Almost surely, 2^{5322520139661} is an apocalyptic number.

It is an amenable number.

5322520139661 is a deficient number, since it is larger than the sum of its proper divisors (2652362515859).

5322520139661 is a wasteful number, since it uses less digits than its factorization.

5322520139661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65175 (or 65166 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 5322520139661 in words is "five trillion, three hundred twenty-two billion, five hundred twenty million, one hundred thirty-nine thousand, six hundred sixty-one".