611050550000 has 240 divisors, whose sum is σ = 1709306159904. Its totient is φ = 209126400000.

The previous prime is 611050549981. The next prime is 611050550003. The reversal of 611050550000 is 55050116.

611050550000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611050550003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9317324 + ... + 9382676.

Almost surely, 2^611050550000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611050550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854653079952).

611050550000 is an abundant number, since it is smaller than the sum of its proper divisors (1098255609904).

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

611050550000 is a wasteful number, since it uses less digits than its factorization.

611050550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65414 (or 65388 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 611050550000 in words is "six hundred eleven billion, fifty million, five hundred fifty thousand".