611260133208 has 128 divisors (see below), whose sum is σ = 1628085381120. Its totient is φ = 190581063680.

The previous prime is 611260133201. The next prime is 611260133243. The reversal of 611260133208 is 802331062116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611260133201) 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, 46241416 + ... + 46254632.

It is an arithmetic number, because the mean of its divisors is an integer number (12719417040).

Almost surely, 2^611260133208 is an apocalyptic number.

611260133208 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611260133208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814042690560).

611260133208 is an abundant number, since it is smaller than the sum of its proper divisors (1016825247912).

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

611260133208 is a wasteful number, since it uses less digits than its factorization.

611260133208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13937 (or 13933 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 611260133208 in words is "six hundred eleven billion, two hundred sixty million, one hundred thirty-three thousand, two hundred eight".