611610640050 has 48 divisors (see below), whose sum is σ = 1522270282752. Its totient is φ = 162507364800.

The previous prime is 611610639979. The next prime is 611610640093. The reversal of 611610640050 is 50046016116.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7318386 + ... + 7401485.

It is an arithmetic number, because the mean of its divisors is an integer number (31713964224).

Almost surely, 2^611610640050 is an apocalyptic number.

611610640050 is an abundant number, since it is smaller than the sum of its proper divisors (910659642702).

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

611610640050 is a wasteful number, since it uses less digits than its factorization.

611610640050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14720163 (or 14720158 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 611610640050 its reverse (50046016116), we get a palindrome (661656656166).

The spelling of 611610640050 in words is "six hundred eleven billion, six hundred ten million, six hundred forty thousand, fifty".