655430111605 has 16 divisors (see below), whose sum is σ = 804884984640. Its totient is φ = 512100546048.

The previous prime is 655430111591. The next prime is 655430111629. The reversal of 655430111605 is 506111034556.

It is a cyclic number.

It is not a de Polignac number, because 655430111605 - 2¹³ = 655430103413 is a prime.

It is a congruent number.

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, 2166949 + ... + 2450821.

It is an arithmetic number, because the mean of its divisors is an integer number (50305311540).

Almost surely, 2^655430111605 is an apocalyptic number.

It is an amenable number.

655430111605 is a deficient number, since it is larger than the sum of its proper divisors (149454873035).

655430111605 is a wasteful number, since it uses less digits than its factorization.

655430111605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294660.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 655430111605 in words is "six hundred fifty-five billion, four hundred thirty million, one hundred eleven thousand, six hundred five".