51168468085 has 8 divisors (see below), whose sum is σ = 70173899136. Its totient is φ = 35086949520.

The previous prime is 51168468049. The next prime is 51168468103. The reversal of 51168468085 is 58086486115.

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

It is not a de Polignac number, because 51168468085 - 2⁹ = 51168467573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730978081 + ... + 730978150.

It is an arithmetic number, because the mean of its divisors is an integer number (8771737392).

Almost surely, 2^51168468085 is an apocalyptic number.

It is an amenable number.

51168468085 is a deficient number, since it is larger than the sum of its proper divisors (19005431051).

51168468085 is a wasteful number, since it uses less digits than its factorization.

51168468085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461956243.

The product of its (nonzero) digits is 1843200, while the sum is 52.

The spelling of 51168468085 in words is "fifty-one billion, one hundred sixty-eight million, four hundred sixty-eight thousand, eighty-five".