648775082755 has 16 divisors (see below), whose sum is σ = 803291448960. Its totient is φ = 502740191232.

The previous prime is 648775082723. The next prime is 648775082801. The reversal of 648775082755 is 557280577846.

It is a cyclic number.

It is not a de Polignac number, because 648775082755 - 2⁵ = 648775082723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14207850 + ... + 14253439.

It is an arithmetic number, because the mean of its divisors is an integer number (50205715560).

Almost surely, 2^648775082755 is an apocalyptic number.

648775082755 is a deficient number, since it is larger than the sum of its proper divisors (154516366205).

648775082755 is a wasteful number, since it uses less digits than its factorization.

648775082755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28461438.

The product of its (nonzero) digits is 131712000, while the sum is 64.

The spelling of 648775082755 in words is "six hundred forty-eight billion, seven hundred seventy-five million, eighty-two thousand, seven hundred fifty-five".