611051370616128 has 224 divisors, whose sum is σ = 1788333322366080. Its totient is φ = 182916729446400.

The previous prime is 611051370616117. The next prime is 611051370616199. The reversal of 611051370616128 is 821616073150116.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 977602903 + ... + 978227753.

It is an arithmetic number, because the mean of its divisors is an integer number (7983630903420).

Almost surely, 2^{611051370616128} 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 611051370616128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894166661183040).

611051370616128 is an abundant number, since it is smaller than the sum of its proper divisors (1177281951749952).

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

611051370616128 is a wasteful number, since it uses less digits than its factorization.

611051370616128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635505 (or 635495 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 611051370616128 in words is "six hundred eleven trillion, fifty-one billion, three hundred seventy million, six hundred sixteen thousand, one hundred twenty-eight".