1148445216481 has 8 divisors (see below), whose sum is σ = 1188200839680. Its totient is φ = 1108699864272.

The previous prime is 1148445216433. The next prime is 1148445216487. The reversal of 1148445216481 is 1846125448411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1148445216481 - 2¹³ = 1148445208289 is a prime.

It is a super-2 number, since 2×1148445216481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148445216487) 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, 2339905 + ... + 2787838.

It is an arithmetic number, because the mean of its divisors is an integer number (148525104960).

Almost surely, 2^{1148445216481} is an apocalyptic number.

It is an amenable number.

1148445216481 is a deficient number, since it is larger than the sum of its proper divisors (39755623199).

1148445216481 is an equidigital number, since it uses as much as digits as its factorization.

1148445216481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135495.

The product of its digits is 983040, while the sum is 49.

The spelling of 1148445216481 in words is "one trillion, one hundred forty-eight billion, four hundred forty-five million, two hundred sixteen thousand, four hundred eighty-one".