648980511055 has 16 divisors (see below), whose sum is σ = 783876623904. Its totient is φ = 515792126080.

The previous prime is 648980511037. The next prime is 648980511079. The reversal of 648980511055 is 550115089846.

It is a happy number.

It is not a de Polignac number, because 648980511055 - 2¹⁵ = 648980478287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 648980510993 and 648980511011.

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 15 ways as a sum of consecutive naturals, for example, 190425 + ... + 1155085.

It is an arithmetic number, because the mean of its divisors is an integer number (48992288994).

Almost surely, 2^648980511055 is an apocalyptic number.

648980511055 is a deficient number, since it is larger than the sum of its proper divisors (134896112849).

648980511055 is a wasteful number, since it uses less digits than its factorization.

648980511055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965546.

The product of its (nonzero) digits is 1728000, while the sum is 52.

The spelling of 648980511055 in words is "six hundred forty-eight billion, nine hundred eighty million, five hundred eleven thousand, fifty-five".