655011101 has 4 divisors (see below), whose sum is σ = 655166400. Its totient is φ = 654855804.

The previous prime is 655011083. The next prime is 655011103. The reversal of 655011101 is 101110556.

655011101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 655011101 - 2¹⁸ = 654748957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655011103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71141 + ... + 79818.

It is an arithmetic number, because the mean of its divisors is an integer number (163791600).

Almost surely, 2^655011101 is an apocalyptic number.

It is an amenable number.

655011101 is a deficient number, since it is larger than the sum of its proper divisors (155299).

655011101 is a wasteful number, since it uses less digits than its factorization.

655011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155298.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 655011101 is about 25593.1846592018. The cubic root of 655011101 is about 868.4594664598.

Adding to 655011101 its reverse (101110556), we get a palindrome (756121657).

The spelling of 655011101 in words is "six hundred fifty-five million, eleven thousand, one hundred one".