655065015611 has 4 divisors (see below), whose sum is σ = 655085285400. Its totient is φ = 655044745824.

The previous prime is 655065015607. The next prime is 655065015613. The reversal of 655065015611 is 116510560556.

655065015611 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.

It is a cyclic number.

It is not a de Polignac number, because 655065015611 - 2² = 655065015607 is a prime.

It is a super-2 number, since 2×655065015611² (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 (655065015613) 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, 10086341 + ... + 10151078.

It is an arithmetic number, because the mean of its divisors is an integer number (163771321350).

Almost surely, 2^655065015611 is an apocalyptic number.

655065015611 is a deficient number, since it is larger than the sum of its proper divisors (20269789).

655065015611 is a wasteful number, since it uses less digits than its factorization.

655065015611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20269788.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 655065015611 in words is "six hundred fifty-five billion, sixty-five million, fifteen thousand, six hundred eleven".