1148615485720 has 128 divisors (see below), whose sum is σ = 2717056742400. Its totient is φ = 436603539456.

The previous prime is 1148615485679. The next prime is 1148615485751. The reversal of 1148615485720 is 275845168411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9785217 + ... + 9901903.

It is an arithmetic number, because the mean of its divisors is an integer number (21227005800).

Almost surely, 2^{1148615485720} is an apocalyptic number.

1148615485720 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 1148615485720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358528371200).

1148615485720 is an abundant number, since it is smaller than the sum of its proper divisors (1568441256680).

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

1148615485720 is a wasteful number, since it uses less digits than its factorization.

1148615485720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116897 (or 116893 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 52.

The spelling of 1148615485720 in words is "one trillion, one hundred forty-eight billion, six hundred fifteen million, four hundred eighty-five thousand, seven hundred twenty".