51106011593 has 8 divisors (see below), whose sum is σ = 62899706688. Its totient is φ = 40435525584.

The previous prime is 51106011559. The next prime is 51106011601. The reversal of 51106011593 is 39511060115.

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-51106011593 is a prime.

It is a super-5 number, since 5×51106011593⁵ (a number of 55 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51106011503) 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, 280802171 + ... + 280802352.

It is an arithmetic number, because the mean of its divisors is an integer number (7862463336).

Almost surely, 2^51106011593 is an apocalyptic number.

It is an amenable number.

51106011593 is a deficient number, since it is larger than the sum of its proper divisors (11793695095).

51106011593 is a wasteful number, since it uses less digits than its factorization.

51106011593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561604543.

The product of its (nonzero) digits is 4050, while the sum is 32.

The spelling of 51106011593 in words is "fifty-one billion, one hundred six million, eleven thousand, five hundred ninety-three".