51651066115001 has 8 divisors (see below), whose sum is σ = 51968805055584. Its totient is φ = 51333337677600.

The previous prime is 51651066114983. The next prime is 51651066115009. The reversal of 51651066115001 is 10051166015615.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51651066115001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51651066115009) 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, 7356125 + ... + 12546501.

It is an arithmetic number, because the mean of its divisors is an integer number (6496100631948).

Almost surely, 2^{51651066115001} is an apocalyptic number.

It is an amenable number.

51651066115001 is a deficient number, since it is larger than the sum of its proper divisors (317738940583).

51651066115001 is a wasteful number, since it uses less digits than its factorization.

51651066115001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251591.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 51651066115001 in words is "fifty-one trillion, six hundred fifty-one billion, sixty-six million, one hundred fifteen thousand, one".