655011061651 has 4 divisors (see below), whose sum is σ = 655069488192. Its totient is φ = 654952635112.

The previous prime is 655011061643. The next prime is 655011061669. The reversal of 655011061651 is 156160110556.

655011061651 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 655011061651 - 2³ = 655011061643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655011061651.

It is not an unprimeable number, because it can be changed into a prime (655011061051) 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, 29196451 + ... + 29218876.

It is an arithmetic number, because the mean of its divisors is an integer number (163767372048).

Almost surely, 2^655011061651 is an apocalyptic number.

655011061651 is a deficient number, since it is larger than the sum of its proper divisors (58426541).

655011061651 is a wasteful number, since it uses less digits than its factorization.

655011061651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58426540.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 655011061651 in words is "six hundred fifty-five billion, eleven million, sixty-one thousand, six hundred fifty-one".