648511228003 has 4 divisors (see below), whose sum is σ = 648524242288. Its totient is φ = 648498213720.

The previous prime is 648511227997. The next prime is 648511228037. The reversal of 648511228003 is 300822115846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 648511228003 - 2⁵ = 648511227971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648511222003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6432108 + ... + 6532153.

It is an arithmetic number, because the mean of its divisors is an integer number (162131060572).

Almost surely, 2^648511228003 is an apocalyptic number.

648511228003 is a deficient number, since it is larger than the sum of its proper divisors (13014285).

648511228003 is a wasteful number, since it uses less digits than its factorization.

648511228003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13014284.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 648511228003 in words is "six hundred forty-eight billion, five hundred eleven million, two hundred twenty-eight thousand, three".