1248791667852 has 12 divisors (see below), whose sum is σ = 2913847225016. Its totient is φ = 416263889280.

The previous prime is 1248791667833. The next prime is 1248791667853. The reversal of 1248791667852 is 2587661978421.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1248791667853) 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, 52032986149 + ... + 52032986172.

Almost surely, 2^{1248791667852} is an apocalyptic number.

1248791667852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1248791667852 is an abundant number, since it is smaller than the sum of its proper divisors (1665055557164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1248791667852 is a wasteful number, since it uses less digits than its factorization.

1248791667852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104065972328 (or 104065972326 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 66.

The spelling of 1248791667852 in words is "one trillion, two hundred forty-eight billion, seven hundred ninety-one million, six hundred sixty-seven thousand, eight hundred fifty-two".