51611655106 has 8 divisors (see below), whose sum is σ = 84455435664. Its totient is φ = 23459843220.

The previous prime is 51611655097. The next prime is 51611655113. The reversal of 51611655106 is 60155611615.

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

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, 1172992140 + ... + 1172992183.

It is an arithmetic number, because the mean of its divisors is an integer number (10556929458).

Almost surely, 2^51611655106 is an apocalyptic number.

51611655106 is a deficient number, since it is larger than the sum of its proper divisors (32843780558).

51611655106 is a wasteful number, since it uses less digits than its factorization.

51611655106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345984336.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 51611655106 in words is "fifty-one billion, six hundred eleven million, six hundred fifty-five thousand, one hundred six".