61150110160 has 40 divisors (see below), whose sum is σ = 146016553896. Its totient is φ = 23798960640.

The previous prime is 61150110149. The next prime is 61150110163. The reversal of 61150110160 is 6101105116.

It can be written as a sum of positive squares in 4 ways, for example, as 11106630544 + 50043479616 = 105388^2 + 223704^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61150110163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10326451 + ... + 10332370.

Almost surely, 2^61150110160 is an apocalyptic number.

It is an amenable number.

61150110160 is an abundant number, since it is smaller than the sum of its proper divisors (84866443736).

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

61150110160 is a wasteful number, since it uses less digits than its factorization.

61150110160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20658871 (or 20658865 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 61150110160 its reverse (6101105116), we get a palindrome (67251215276).

The spelling of 61150110160 in words is "sixty-one billion, one hundred fifty million, one hundred ten thousand, one hundred sixty".