61065656127700 has 72 divisors (see below), whose sum is σ = 151926670640192. Its totient is φ = 20869905588480.

The previous prime is 61065656127691. The next prime is 61065656127727. The reversal of 61065656127700 is 772165656016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139136574 + ... + 139574773.

Almost surely, 2^{61065656127700} is an apocalyptic number.

It is an amenable number.

61065656127700 is an abundant number, since it is smaller than the sum of its proper divisors (90861014512492).

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

61065656127700 is a wasteful number, since it uses less digits than its factorization.

61065656127700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278711681 (or 278711674 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 61065656127700 in words is "sixty-one trillion, sixty-five billion, six hundred fifty-six million, one hundred twenty-seven thousand, seven hundred".