655105500001 has 8 divisors (see below), whose sum is σ = 656022163680. Its totient is φ = 654189375168.

The previous prime is 655105499989. The next prime is 655105500011. The reversal of 655105500001 is 100005501556.

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 655105500001 - 2²³ = 655097111393 is a prime.

It is a super-2 number, since 2×655105500001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655105500011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329930 + ... + 2595916.

It is an arithmetic number, because the mean of its divisors is an integer number (82002770460).

Almost surely, 2^655105500001 is an apocalyptic number.

It is an amenable number.

655105500001 is a deficient number, since it is larger than the sum of its proper divisors (916663679).

655105500001 is a wasteful number, since it uses less digits than its factorization.

655105500001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269423.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 655105500001 in words is "six hundred fifty-five billion, one hundred five million, five hundred thousand, one".