1648980578911 has 8 divisors (see below), whose sum is σ = 1748506191984. Its totient is φ = 1549735716480.

The previous prime is 1648980578893. The next prime is 1648980578923. The reversal of 1648980578911 is 1198750898461.

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 1648980578911 - 2⁷ = 1648980578783 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 (1648980578941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70175560 + ... + 70199053.

It is an arithmetic number, because the mean of its divisors is an integer number (218563273998).

Almost surely, 2^{1648980578911} is an apocalyptic number.

1648980578911 is a deficient number, since it is larger than the sum of its proper divisors (99525613073).

1648980578911 is a wasteful number, since it uses less digits than its factorization.

1648980578911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140375321.

The product of its (nonzero) digits is 34836480, while the sum is 67.

The spelling of 1648980578911 in words is "one trillion, six hundred forty-eight billion, nine hundred eighty million, five hundred seventy-eight thousand, nine hundred eleven".