611244065642 has 32 divisors (see below), whose sum is σ = 1080737164800. Its totient is φ = 253849564800.

The previous prime is 611244065629. The next prime is 611244065699. The reversal of 611244065642 is 246560442116.

It is a self number, because there is not a number n which added to its sum of digits gives 611244065642.

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 15 ways as a sum of consecutive naturals, for example, 4532267 + ... + 4665182.

It is an arithmetic number, because the mean of its divisors is an integer number (33773036400).

Almost surely, 2^611244065642 is an apocalyptic number.

611244065642 is a deficient number, since it is larger than the sum of its proper divisors (469493099158).

611244065642 is a wasteful number, since it uses less digits than its factorization.

611244065642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197606.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 611244065642 in words is "six hundred eleven billion, two hundred forty-four million, sixty-five thousand, six hundred forty-two".