61101565160516 has 18 divisors (see below), whose sum is σ = 108454975172670. Its totient is φ = 30120489857920.

The previous prime is 61101565160513. The next prime is 61101565160551. The reversal of 61101565160516 is 61506156510116.

It can be written as a sum of positive squares in only one way, i.e., 60996100000000 + 105465160516 = 7810000^2 + 324754^2 .

It is not an unprimeable number, because it can be changed into a prime (61101565160513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1515095021 + ... + 1515135348.

Almost surely, 2^{61101565160516} is an apocalyptic number.

It is an amenable number.

61101565160516 is a deficient number, since it is larger than the sum of its proper divisors (47353410012154).

61101565160516 is a wasteful number, since it uses less digits than its factorization.

61101565160516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030230515 (or 3030230442 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 61101565160516 in words is "sixty-one trillion, one hundred one billion, five hundred sixty-five million, one hundred sixty thousand, five hundred sixteen".