51711068085 has 8 divisors (see below), whose sum is σ = 82737708960. Its totient is φ = 27579236304.

The previous prime is 51711068081. The next prime is 51711068099. The reversal of 51711068085 is 58086011715.

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

It is not a de Polignac number, because 51711068085 - 2² = 51711068081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51711068081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723702255 + ... + 1723702284.

It is an arithmetic number, because the mean of its divisors is an integer number (10342213620).

Almost surely, 2^51711068085 is an apocalyptic number.

It is an amenable number.

51711068085 is a deficient number, since it is larger than the sum of its proper divisors (31026640875).

51711068085 is a wasteful number, since it uses less digits than its factorization.

51711068085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447404547.

The product of its (nonzero) digits is 67200, while the sum is 42.

The spelling of 51711068085 in words is "fifty-one billion, seven hundred eleven million, sixty-eight thousand, eighty-five".