61110605606 has 4 divisors (see below), whose sum is σ = 91665908412. Its totient is φ = 30555302802.

The previous prime is 61110605603. The next prime is 61110605623. The reversal of 61110605606 is 60650601116.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×61110605606² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61110605603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277651400 + ... + 15277651403.

It is an arithmetic number, because the mean of its divisors is an integer number (22916477103).

Almost surely, 2^61110605606 is an apocalyptic number.

61110605606 is a deficient number, since it is larger than the sum of its proper divisors (30555302806).

61110605606 is a wasteful number, since it uses less digits than its factorization.

61110605606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30555302805.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 61110605606 in words is "sixty-one billion, one hundred ten million, six hundred five thousand, six hundred six".