1148695219984 has 45 divisors (see below), whose sum is σ = 2410082901909. Its totient is φ = 530141302080.

The previous prime is 1148695219981. The next prime is 1148695220077. The reversal of 1148695219984 is 4899125968411.

The square root of 1148695219984 is 1071772.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 169925328400 + 978769891584 = 412220^2 + 989328^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148695219981) 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 8 ways as a sum of consecutive naturals, for example, 55721839 + ... + 55742449.

Almost surely, 2^{1148695219984} is an apocalyptic number.

1148695219984 is the 1071772-nd square number.

It is an amenable number.

1148695219984 is an abundant number, since it is smaller than the sum of its proper divisors (1261387681925).

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

1148695219984 is an frugal number, since it uses more digits than its factorization.

1148695219984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41256 (or 20626 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 67.

The spelling of 1148695219984 in words is "one trillion, one hundred forty-eight billion, six hundred ninety-five million, two hundred nineteen thousand, nine hundred eighty-four".