61066561060500 has 96 divisors (see below), whose sum is σ = 187185079885440. Its totient is φ = 15427341734400.

The previous prime is 61066561060499. The next prime is 61066561060517. The reversal of 61066561060500 is 506016566016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1071314677 + ... + 1071371676.

It is an arithmetic number, because the mean of its divisors is an integer number (1949844582140).

Almost surely, 2^{61066561060500} is an apocalyptic number.

61066561060500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61066561060500 is an abundant number, since it is smaller than the sum of its proper divisors (126118518824940).

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

61066561060500 is a wasteful number, since it uses less digits than its factorization.

61066561060500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142686394 (or 2142686382 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 61066561060500 in words is "sixty-one trillion, sixty-six billion, five hundred sixty-one million, sixty thousand, five hundred".