1378197503999 has 8 divisors (see below), whose sum is σ = 1397145757920. Its totient is φ = 1359251110656.

The previous prime is 1378197503981. The next prime is 1378197504001. The reversal of 1378197503999 is 9993057918731.

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 1378197503999 - 2⁸ = 1378197503743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378197503939) 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, 1060679 + ... + 1970135.

It is an arithmetic number, because the mean of its divisors is an integer number (174643219740).

Almost surely, 2^{1378197503999} is an apocalyptic number.

1378197503999 is a deficient number, since it is larger than the sum of its proper divisors (18948253921).

1378197503999 is an equidigital number, since it uses as much as digits as its factorization.

1378197503999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930289.

The product of its (nonzero) digits is 115736040, while the sum is 71.

The spelling of 1378197503999 in words is "one trillion, three hundred seventy-eight billion, one hundred ninety-seven million, five hundred three thousand, nine hundred ninety-nine".