611054625205552 has 320 divisors, whose sum is σ = 1349270624010240. Its totient is φ = 265688862566400.

The previous prime is 611054625205547. The next prime is 611054625205561. The reversal of 611054625205552 is 255502526450116.

It is a junction number, because it is equal to n+sod(n) for n = 611054625205496 and 611054625205505.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37927781977 + ... + 37927798087.

It is an arithmetic number, because the mean of its divisors is an integer number (4216470700032).

Almost surely, 2^{611054625205552} 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 611054625205552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674635312005120).

611054625205552 is an abundant number, since it is smaller than the sum of its proper divisors (738215998804688).

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

611054625205552 is a wasteful number, since it uses less digits than its factorization.

611054625205552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840 (or 16834 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 49.

The spelling of 611054625205552 in words is "six hundred eleven trillion, fifty-four billion, six hundred twenty-five million, two hundred five thousand, five hundred fifty-two".