1148864038687 has 4 divisors (see below), whose sum is σ = 1155282273720. Its totient is φ = 1142445803656.

The previous prime is 1148864038681. The next prime is 1148864038703. The reversal of 1148864038687 is 7868304688411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148864038687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148864038681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3209117248 + ... + 3209117605.

It is an arithmetic number, because the mean of its divisors is an integer number (288820568430).

Almost surely, 2^{1148864038687} is an apocalyptic number.

1148864038687 is a deficient number, since it is larger than the sum of its proper divisors (6418235033).

1148864038687 is an equidigital number, since it uses as much as digits as its factorization.

1148864038687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418235032.

The product of its (nonzero) digits is 49545216, while the sum is 64.

The spelling of 1148864038687 in words is "one trillion, one hundred forty-eight billion, eight hundred sixty-four million, thirty-eight thousand, six hundred eighty-seven".