655156716211 has 16 divisors (see below), whose sum is σ = 661001077440. Its totient is φ = 649341665280.

The previous prime is 655156716197. The next prime is 655156716233. The reversal of 655156716211 is 112617651556.

It is a cyclic number.

It is not a de Polignac number, because 655156716211 - 2⁹ = 655156715699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655156716271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136006875 + ... + 136011691.

It is an arithmetic number, because the mean of its divisors is an integer number (41312567340).

Almost surely, 2^655156716211 is an apocalyptic number.

655156716211 is a deficient number, since it is larger than the sum of its proper divisors (5844361229).

655156716211 is a wasteful number, since it uses less digits than its factorization.

655156716211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614.

The product of its digits is 378000, while the sum is 46.

The spelling of 655156716211 in words is "six hundred fifty-five billion, one hundred fifty-six million, seven hundred sixteen thousand, two hundred eleven".