61115606 has 8 divisors (see below), whose sum is σ = 91708200. Its totient is φ = 30546208.

The previous prime is 61115597. The next prime is 61115611. The reversal of 61115606 is 60651116.

61115606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4325 + ... + 11871.

It is an arithmetic number, because the mean of its divisors is an integer number (11463525).

Almost surely, 2^61115606 is an apocalyptic number.

61115606 is a deficient number, since it is larger than the sum of its proper divisors (30592594).

61115606 is a wasteful number, since it uses less digits than its factorization.

61115606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11598.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 61115606 is about 7817.6470884787. The cubic root of 61115606 is about 393.8982404456.

The spelling of 61115606 in words is "sixty-one million, one hundred fifteen thousand, six hundred six".