655065565051 has 16 divisors (see below), whose sum is σ = 659594073600. Its totient is φ = 650553871968.

The previous prime is 655065565031. The next prime is 655065565081. The reversal of 655065565051 is 150565560556.

It is a cyclic number.

It is not a de Polignac number, because 655065565051 - 2⁹ = 655065564539 is a prime.

It is a super-2 number, since 2×655065565051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655065564986 and 655065565004.

It is not an unprimeable number, because it can be changed into a prime (655065565031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223799550 + ... + 223802476.

It is an arithmetic number, because the mean of its divisors is an integer number (41224629600).

Almost surely, 2^655065565051 is an apocalyptic number.

655065565051 is a deficient number, since it is larger than the sum of its proper divisors (4528508549).

655065565051 is a wasteful number, since it uses less digits than its factorization.

655065565051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 655065565051 in words is "six hundred fifty-five billion, sixty-five million, five hundred sixty-five thousand, fifty-one".