6543817151051 has 2 divisors, whose sum is σ = 6543817151052. Its totient is φ = 6543817151050.

The previous prime is 6543817151029. The next prime is 6543817151083. The reversal of 6543817151051 is 1501517183456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6543817151051 - 2¹⁴ = 6543817134667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6543817150987 and 6543817151005.

It is not a weakly prime, because it can be changed into another prime (6543817151021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271908575525 + 3271908575526.

It is an arithmetic number, because the mean of its divisors is an integer number (3271908575526).

Almost surely, 2^{6543817151051} is an apocalyptic number.

6543817151051 is a deficient number, since it is larger than the sum of its proper divisors (1).

6543817151051 is an equidigital number, since it uses as much as digits as its factorization.

6543817151051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 6543817151051 in words is "six trillion, five hundred forty-three billion, eight hundred seventeen million, one hundred fifty-one thousand, fifty-one".