51134533364563 has 8 divisors (see below), whose sum is σ = 56358211094640. Its totient is φ = 46006702932480.

The previous prime is 51134533364557. The next prime is 51134533364609. The reversal of 51134533364563 is 36546333543115.

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 not a de Polignac number, because 51134533364563 - 2¹⁷ = 51134533233491 is a prime.

It is a super-2 number, since 2×51134533364563² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51134533364563.

It is not an unprimeable number, because it can be changed into a prime (51134533364513) 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, 23961823378 + ... + 23961825511.

It is an arithmetic number, because the mean of its divisors is an integer number (7044776386830).

Almost surely, 2^{51134533364563} is an apocalyptic number.

51134533364563 is a deficient number, since it is larger than the sum of its proper divisors (5223677730077).

51134533364563 is a wasteful number, since it uses less digits than its factorization.

51134533364563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47923648997.

The product of its digits is 17496000, while the sum is 52.

The spelling of 51134533364563 in words is "fifty-one trillion, one hundred thirty-four billion, five hundred thirty-three million, three hundred sixty-four thousand, five hundred sixty-three".