3545278085856 has 192 divisors, whose sum is σ = 10713053675520. Its totient is φ = 1017976565760.

The previous prime is 3545278085807. The next prime is 3545278085887. The reversal of 3545278085856 is 6585808725453.

3545278085856 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329376 + ... + 2683103.

It is an arithmetic number, because the mean of its divisors is an integer number (55797154560).

Almost surely, 2^{3545278085856} 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 3545278085856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5356526837760).

3545278085856 is an abundant number, since it is smaller than the sum of its proper divisors (7167775589664).

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

3545278085856 is a wasteful number, since it uses less digits than its factorization.

3545278085856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012569 (or 3012561 counting only the distinct ones).

The product of its (nonzero) digits is 322560000, while the sum is 66.

The spelling of 3545278085856 in words is "three trillion, five hundred forty-five billion, two hundred seventy-eight million, eighty-five thousand, eight hundred fifty-six".