61116555112 has 16 divisors (see below), whose sum is σ = 114859425600. Its totient is φ = 30487374960.

The previous prime is 61116555077. The next prime is 61116555127. The reversal of 61116555112 is 21155561116.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8859162 + ... + 8866057.

It is an arithmetic number, because the mean of its divisors is an integer number (7178714100).

Almost surely, 2^61116555112 is an apocalyptic number.

It is an amenable number.

61116555112 is a deficient number, since it is larger than the sum of its proper divisors (53742870488).

61116555112 is a wasteful number, since it uses less digits than its factorization.

61116555112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17725656 (or 17725652 counting only the distinct ones).

The product of its digits is 9000, while the sum is 34.

The spelling of 61116555112 in words is "sixty-one billion, one hundred sixteen million, five hundred fifty-five thousand, one hundred twelve".