611255030642 has 16 divisors (see below), whose sum is σ = 918941375520. Its totient is φ = 304941748512.

The previous prime is 611255030609. The next prime is 611255030651. The reversal of 611255030642 is 246030552116.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2298209 + ... + 2550347.

It is an arithmetic number, because the mean of its divisors is an integer number (57433835970).

Almost surely, 2^611255030642 is an apocalyptic number.

611255030642 is a deficient number, since it is larger than the sum of its proper divisors (307686344878).

611255030642 is a wasteful number, since it uses less digits than its factorization.

611255030642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254857.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 611255030642 its reverse (246030552116), we get a palindrome (857285582758).

The spelling of 611255030642 in words is "six hundred eleven billion, two hundred fifty-five million, thirty thousand, six hundred forty-two".