656201135053 has 4 divisors (see below), whose sum is σ = 672206040828. Its totient is φ = 640196229280.

The previous prime is 656201135047. The next prime is 656201135069. The reversal of 656201135053 is 350531102656.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 313435381609 + 342765753444 = 559853^2 + 585462^2 .

It is a cyclic number.

It is not a de Polignac number, because 656201135053 - 2⁵ = 656201135021 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 (656201135153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8002452826 + ... + 8002452907.

It is an arithmetic number, because the mean of its divisors is an integer number (168051510207).

Almost surely, 2^656201135053 is an apocalyptic number.

It is an amenable number.

656201135053 is a deficient number, since it is larger than the sum of its proper divisors (16004905775).

656201135053 is a wasteful number, since it uses less digits than its factorization.

656201135053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16004905774.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 656201135053 in words is "six hundred fifty-six billion, two hundred one million, one hundred thirty-five thousand, fifty-three".