65728878556211 has 8 divisors (see below), whose sum is σ = 71155547952384. Its totient is φ = 60355152276480.

The previous prime is 65728878556199. The next prime is 65728878556279. The reversal of 65728878556211 is 11265587882756.

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 65728878556211 - 2⁴² = 61330832045107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65728878550211) 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, 13235776526 + ... + 13235781491.

It is an arithmetic number, because the mean of its divisors is an integer number (8894443494048).

Almost surely, 2^{65728878556211} is an apocalyptic number.

65728878556211 is a deficient number, since it is larger than the sum of its proper divisors (5426669396173).

65728878556211 is a wasteful number, since it uses less digits than its factorization.

65728878556211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26471558221.

The product of its digits is 451584000, while the sum is 71.

The spelling of 65728878556211 in words is "sixty-five trillion, seven hundred twenty-eight billion, eight hundred seventy-eight million, five hundred fifty-six thousand, two hundred eleven".