1248135923119 has 2 divisors, whose sum is σ = 1248135923120. Its totient is φ = 1248135923118.

The previous prime is 1248135923093. The next prime is 1248135923159. The reversal of 1248135923119 is 9113295318421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1248135923119 is a prime.

It is a super-2 number, since 2×1248135923119² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248135923159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624067961559 + 624067961560.

It is an arithmetic number, because the mean of its divisors is an integer number (624067961560).

Almost surely, 2^{1248135923119} is an apocalyptic number.

1248135923119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248135923119 is an equidigital number, since it uses as much as digits as its factorization.

1248135923119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The spelling of 1248135923119 in words is "one trillion, two hundred forty-eight billion, one hundred thirty-five million, nine hundred twenty-three thousand, one hundred nineteen".