611050501012 has 36 divisors (see below), whose sum is σ = 1251372949344. Its totient is φ = 260310635760.

The previous prime is 611050500959. The next prime is 611050501013. The reversal of 611050501012 is 210105050116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611050501013) 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 11 ways as a sum of consecutive naturals, for example, 9301414 + ... + 9366877.

It is an arithmetic number, because the mean of its divisors is an integer number (34760359704).

Almost surely, 2^611050501012 is an apocalyptic number.

It is an amenable number.

611050501012 is an abundant number, since it is smaller than the sum of its proper divisors (640322448332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611050501012 is a wasteful number, since it uses less digits than its factorization.

611050501012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18668476 (or 18668467 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 611050501012 its reverse (210105050116), we get a palindrome (821155551128).

The spelling of 611050501012 in words is "six hundred eleven billion, fifty million, five hundred one thousand, twelve".