611455452830068 has 96 divisors (see below), whose sum is σ = 1346001838046208. Its totient is φ = 236101671590400.

The previous prime is 611455452830063. The next prime is 611455452830069. The reversal of 611455452830068 is 860038254554116.

It is a junction number, because it is equal to n+sod(n) for n = 611455452829994 and 611455452830021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611455452830063) 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, 424272271 + ... + 425711017.

It is an arithmetic number, because the mean of its divisors is an integer number (14020852479648).

Almost surely, 2^{611455452830068} 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 611455452830068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673000919023104).

611455452830068 is an abundant number, since it is smaller than the sum of its proper divisors (734546385216140).

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

611455452830068 is a wasteful number, since it uses less digits than its factorization.

611455452830068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451093 (or 1451091 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 58.

The spelling of 611455452830068 in words is "six hundred eleven trillion, four hundred fifty-five billion, four hundred fifty-two million, eight hundred thirty thousand, sixty-eight".