61611000655606 has 4 divisors (see below), whose sum is σ = 92416500983412. Its totient is φ = 30805500327802.

The previous prime is 61611000655577. The next prime is 61611000655613. The reversal of 61611000655606 is 60655600011616.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15402750163900 + ... + 15402750163903.

It is an arithmetic number, because the mean of its divisors is an integer number (23104125245853).

Almost surely, 2^{61611000655606} is an apocalyptic number.

61611000655606 is a deficient number, since it is larger than the sum of its proper divisors (30805500327806).

61611000655606 is a wasteful number, since it uses less digits than its factorization.

61611000655606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30805500327805.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 61611000655606 in words is "sixty-one trillion, six hundred eleven billion, six hundred fifty-five thousand, six hundred six".