1148489208720 has 960 divisors, whose sum is σ = 4779469094400. Its totient is φ = 256048128000.

The previous prime is 1148489208719. The next prime is 1148489208731. The reversal of 1148489208720 is 278029848411.

1148489208720 is a `hidden beast` number, since 1 + 1 + 48 + 489 + 20 + 87 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 273382620 + ... + 273386820.

It is an arithmetic number, because the mean of its divisors is an integer number (4978613640).

Almost surely, 2^{1148489208720} is an apocalyptic number.

1148489208720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148489208720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2389734547200).

1148489208720 is an abundant number, since it is smaller than the sum of its proper divisors (3630979885680).

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

1148489208720 is an equidigital number, since it uses as much as digits as its factorization.

1148489208720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291 (or 4259 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 1148489208720 in words is "one trillion, one hundred forty-eight billion, four hundred eighty-nine million, two hundred eight thousand, seven hundred twenty".