611216045353 has 4 divisors (see below), whose sum is σ = 632292460740. Its totient is φ = 590139629968.

The previous prime is 611216045333. The next prime is 611216045369. The reversal of 611216045353 is 353540612116.

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 145262363689 + 465953681664 = 381133^2 + 682608^2 .

It is a cyclic number.

It is not a de Polignac number, because 611216045353 - 2⁹ = 611216044841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611216045333) 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, 10538207650 + ... + 10538207707.

It is an arithmetic number, because the mean of its divisors is an integer number (158073115185).

Almost surely, 2^611216045353 is an apocalyptic number.

It is an amenable number.

611216045353 is a deficient number, since it is larger than the sum of its proper divisors (21076415387).

611216045353 is a wasteful number, since it uses less digits than its factorization.

611216045353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21076415386.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 611216045353 its reverse (353540612116), we get a palindrome (964756657469).

The spelling of 611216045353 in words is "six hundred eleven billion, two hundred sixteen million, forty-five thousand, three hundred fifty-three".