61920532517532 has 24 divisors (see below), whose sum is σ = 155595184275216. Its totient is φ = 19052471543808.

The previous prime is 61920532517509. The next prime is 61920532517561. The reversal of 61920532517532 is 23571523502916.

61920532517532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 198463245093 + ... + 198463245404.

It is an arithmetic number, because the mean of its divisors is an integer number (6483132678134).

Almost surely, 2^{61920532517532} is an apocalyptic number.

It is an amenable number.

61920532517532 is an abundant number, since it is smaller than the sum of its proper divisors (93674651757684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61920532517532 is a wasteful number, since it uses less digits than its factorization.

61920532517532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396926490517 (or 396926490515 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 51.

The spelling of 61920532517532 in words is "sixty-one trillion, nine hundred twenty billion, five hundred thirty-two million, five hundred seventeen thousand, five hundred thirty-two".