1248045645360 has 40 divisors (see below), whose sum is σ = 3868941501360. Its totient is φ = 332812172032.

The previous prime is 1248045645337. The next prime is 1248045645361. The reversal of 1248045645360 is 635465408421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1248045645361) 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 7 ways as a sum of consecutive naturals, for example, 2600094855 + ... + 2600095334.

It is an arithmetic number, because the mean of its divisors is an integer number (96723537534).

Almost surely, 2^{1248045645360} is an apocalyptic number.

1248045645360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248045645360 is an abundant number, since it is smaller than the sum of its proper divisors (2620895856000).

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

1248045645360 is a wasteful number, since it uses less digits than its factorization.

1248045645360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200190205 (or 5200190199 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 1248045645360 in words is "one trillion, two hundred forty-eight billion, forty-five million, six hundred forty-five thousand, three hundred sixty".