1148489208731 has 2 divisors, whose sum is σ = 1148489208732. Its totient is φ = 1148489208730.

The previous prime is 1148489208719. The next prime is 1148489208739. The reversal of 1148489208731 is 1378029848411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1148489208731 - 2²² = 1148485014427 is a prime.

It is a super-2 number, since 2×1148489208731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1148489208739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574244604365 + 574244604366.

It is an arithmetic number, because the mean of its divisors is an integer number (574244604366).

Almost surely, 2^{1148489208731} is an apocalyptic number.

1148489208731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148489208731 is an equidigital number, since it uses as much as digits as its factorization.

1148489208731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 1148489208731 in words is "one trillion, one hundred forty-eight billion, four hundred eighty-nine million, two hundred eight thousand, seven hundred thirty-one".