1148445216512 has 36 divisors (see below), whose sum is σ = 2500804717656. Its totient is φ = 522020551680.

The previous prime is 1148445216511. The next prime is 1148445216553. The reversal of 1148445216512 is 2156125448411.

It is a super-2 number, since 2×1148445216512² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148445216511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203911463 + ... + 203917094.

Almost surely, 2^{1148445216512} is an apocalyptic number.

It is an amenable number.

1148445216512 is an abundant number, since it is smaller than the sum of its proper divisors (1352359501144).

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

1148445216512 is an equidigital number, since it uses as much as digits as its factorization.

1148445216512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407828584 (or 407828570 counting only the distinct ones).

The product of its digits is 307200, while the sum is 44.

The spelling of 1148445216512 in words is "one trillion, one hundred forty-eight billion, four hundred forty-five million, two hundred sixteen thousand, five hundred twelve".