8125863715043 has 2 divisors, whose sum is σ = 8125863715044. Its totient is φ = 8125863715042.

The previous prime is 8125863715009. The next prime is 8125863715147. The reversal of 8125863715043 is 3405173685218.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8125863715043 is a prime.

It is a super-2 number, since 2×8125863715043² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8125863715643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062931857521 + 4062931857522.

It is an arithmetic number, because the mean of its divisors is an integer number (4062931857522).

Almost surely, 2^{8125863715043} is an apocalyptic number.

8125863715043 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125863715043 is an equidigital number, since it uses as much as digits as its factorization.

8125863715043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 8125863715043 in words is "eight trillion, one hundred twenty-five billion, eight hundred sixty-three million, seven hundred fifteen thousand, forty-three".