655546240477211 has 8 divisors (see below), whose sum is σ = 694431679446144. Its totient is φ = 616696789887360.

The previous prime is 655546240477201. The next prime is 655546240477229. The reversal of 655546240477211 is 112774042645556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 655546240477211 - 2²² = 655546236282907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655546240477201) 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, 8997057260 + ... + 8997130121.

It is an arithmetic number, because the mean of its divisors is an integer number (86803959930768).

Almost surely, 2^{655546240477211} is an apocalyptic number.

655546240477211 is a deficient number, since it is larger than the sum of its proper divisors (38885438968933).

655546240477211 is a wasteful number, since it uses less digits than its factorization.

655546240477211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17994189541.

The product of its (nonzero) digits is 56448000, while the sum is 59.

The spelling of 655546240477211 in words is "six hundred fifty-five trillion, five hundred forty-six billion, two hundred forty million, four hundred seventy-seven thousand, two hundred eleven".