61561106114 has 8 divisors (see below), whose sum is σ = 92961402300. Its totient is φ = 30573972016.

The previous prime is 61561106111. The next prime is 61561106149. The reversal of 61561106114 is 41160116516.

It can be written as a sum of positive squares in 2 ways, for example, as 54203755489 + 7357350625 = 232817^2 + 85775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61561106111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103290149 + ... + 103290744.

Almost surely, 2^61561106114 is an apocalyptic number.

61561106114 is a deficient number, since it is larger than the sum of its proper divisors (31400296186).

61561106114 is a wasteful number, since it uses less digits than its factorization.

61561106114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206581044.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 61561106114 in words is "sixty-one billion, five hundred sixty-one million, one hundred six thousand, one hundred fourteen".