655135311 has 16 divisors (see below), whose sum is σ = 883850240. Its totient is φ = 431606880.

The previous prime is 655135309. The next prime is 655135331. The reversal of 655135311 is 113531556.

It is not a de Polignac number, because 655135311 - 2¹ = 655135309 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 (655135301) 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, 165210 + ... + 169128.

It is an arithmetic number, because the mean of its divisors is an integer number (55240640).

Almost surely, 2^655135311 is an apocalyptic number.

655135311 is a deficient number, since it is larger than the sum of its proper divisors (228714929).

655135311 is a wasteful number, since it uses less digits than its factorization.

655135311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566.

The product of its digits is 6750, while the sum is 30.

The square root of 655135311 is about 25595.6111667606. The cubic root of 655135311 is about 868.5143584213.

Adding to 655135311 its reverse (113531556), we get a palindrome (768666867).

The spelling of 655135311 in words is "six hundred fifty-five million, one hundred thirty-five thousand, three hundred eleven".