51001320005101 has 8 divisors (see below), whose sum is σ = 51213753360000. Its totient is φ = 50788893341760.

The previous prime is 51001320005089. The next prime is 51001320005113. The reversal of 51001320005101 is 10150002310015.

It is an interprime number because it is at equal distance from previous prime (51001320005089) and next prime (51001320005113).

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

It is a cyclic number.

It is not a de Polignac number, because 51001320005101 - 2¹⁵ = 51001319972333 is a prime.

It is a super-2 number, since 2×51001320005101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001320005131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13903740 + ... + 17184778.

It is an arithmetic number, because the mean of its divisors is an integer number (6401719170000).

Almost surely, 2^{51001320005101} is an apocalyptic number.

It is an amenable number.

51001320005101 is a deficient number, since it is larger than the sum of its proper divisors (212433354899).

51001320005101 is a wasteful number, since it uses less digits than its factorization.

51001320005101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345779.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 51001320005101 its reverse (10150002310015), we get a palindrome (61151322315116).

The spelling of 51001320005101 in words is "fifty-one trillion, one billion, three hundred twenty million, five thousand, one hundred one".