1148385263499 has 8 divisors (see below), whose sum is σ = 1701311501520. Its totient is φ = 765590175648.

The previous prime is 1148385263477. The next prime is 1148385263507. The reversal of 1148385263499 is 9943625838411.

1148385263499 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 3 + 85 + 2 + 63 + 499 = 666.

It is not a de Polignac number, because 1148385263499 - 2⁸ = 1148385263243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1148385263299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21266393742 + ... + 21266393795.

It is an arithmetic number, because the mean of its divisors is an integer number (212663937690).

Almost surely, 2^{1148385263499} is an apocalyptic number.

1148385263499 is a deficient number, since it is larger than the sum of its proper divisors (552926238021).

1148385263499 is an equidigital number, since it uses as much as digits as its factorization.

1148385263499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42532787546 (or 42532787540 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 1148385263499 in words is "one trillion, one hundred forty-eight billion, three hundred eighty-five million, two hundred sixty-three thousand, four hundred ninety-nine".