655344044611 has 16 divisors (see below), whose sum is σ = 710172628704. Its totient is φ = 602329964544.

The previous prime is 655344044609. The next prime is 655344044627. The reversal of 655344044611 is 116440443556.

It is a cyclic number.

It is not a de Polignac number, because 655344044611 - 2¹ = 655344044609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (655344042611) 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, 3679855 + ... + 3853831.

It is an arithmetic number, because the mean of its divisors is an integer number (44385789294).

Almost surely, 2^655344044611 is an apocalyptic number.

655344044611 is a deficient number, since it is larger than the sum of its proper divisors (54828584093).

655344044611 is a wasteful number, since it uses less digits than its factorization.

655344044611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179190.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 655344044611 in words is "six hundred fifty-five billion, three hundred forty-four million, forty-four thousand, six hundred eleven".