605131111442 has 64 divisors (see below), whose sum is σ = 1069550770176. Its totient is φ = 253148535360.

The previous prime is 605131111381. The next prime is 605131111447. The reversal of 605131111442 is 244111131506.

It is not an unprimeable number, because it can be changed into a prime (605131111447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212848073 + ... + 212850915.

It is an arithmetic number, because the mean of its divisors is an integer number (16711730784).

Almost surely, 2^605131111442 is an apocalyptic number.

605131111442 is a deficient number, since it is larger than the sum of its proper divisors (464419658734).

605131111442 is a wasteful number, since it uses less digits than its factorization.

605131111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 605131111442 its reverse (244111131506), we get a palindrome (849242242948).

The spelling of 605131111442 in words is "six hundred five billion, one hundred thirty-one million, one hundred eleven thousand, four hundred forty-two".