1248191526163 has 2 divisors, whose sum is σ = 1248191526164. Its totient is φ = 1248191526162.

The previous prime is 1248191526143. The next prime is 1248191526247. The reversal of 1248191526163 is 3616251918421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1248191526163 is a prime.

It is a super-2 number, since 2×1248191526163² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1248191526143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624095763081 + 624095763082.

It is an arithmetic number, because the mean of its divisors is an integer number (624095763082).

Almost surely, 2^{1248191526163} is an apocalyptic number.

1248191526163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248191526163 is an equidigital number, since it uses as much as digits as its factorization.

1248191526163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 49.

The spelling of 1248191526163 in words is "one trillion, two hundred forty-eight billion, one hundred ninety-one million, five hundred twenty-six thousand, one hundred sixty-three".