61331446556132 has 6 divisors (see below), whose sum is σ = 107330031473238. Its totient is φ = 30665723278064.

The previous prime is 61331446556129. The next prime is 61331446556143. The reversal of 61331446556132 is 23165564413316.

It can be written as a sum of positive squares in only one way, i.e., 42577921830976 + 18753524725156 = 6525176^2 + 4330534^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7666430819513 + ... + 7666430819520.

It is an arithmetic number, because the mean of its divisors is an integer number (17888338578873).

Almost surely, 2^{61331446556132} is an apocalyptic number.

It is an amenable number.

61331446556132 is a deficient number, since it is larger than the sum of its proper divisors (45998584917106).

61331446556132 is a wasteful number, since it uses less digits than its factorization.

61331446556132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15332861639037 (or 15332861639035 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 50.

The spelling of 61331446556132 in words is "sixty-one trillion, three hundred thirty-one billion, four hundred forty-six million, five hundred fifty-six thousand, one hundred thirty-two".