611620442603 has 4 divisors (see below), whose sum is σ = 623160451008. Its totient is φ = 600080434200.

The previous prime is 611620442597. The next prime is 611620442663. The reversal of 611620442603 is 306244026116.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611620442603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611620442663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5770004123 + ... + 5770004228.

It is an arithmetic number, because the mean of its divisors is an integer number (155790112752).

Almost surely, 2^611620442603 is an apocalyptic number.

611620442603 is a deficient number, since it is larger than the sum of its proper divisors (11540008405).

611620442603 is a wasteful number, since it uses less digits than its factorization.

611620442603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11540008404.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 611620442603 its reverse (306244026116), we get a palindrome (917864468719).

The spelling of 611620442603 in words is "six hundred eleven billion, six hundred twenty million, four hundred forty-two thousand, six hundred three".