3827155560128 has 56 divisors (see below), whose sum is σ = 7724513237760. Its totient is φ = 1880832277760.

The previous prime is 3827155560119. The next prime is 3827155560143. The reversal of 3827155560128 is 8210655517283.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3827155560128.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23568173 + ... + 23730003.

Almost surely, 2^{3827155560128} 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 3827155560128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3862256618880).

3827155560128 is an abundant number, since it is smaller than the sum of its proper divisors (3897357677632).

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

3827155560128 is a wasteful number, since it uses less digits than its factorization.

3827155560128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168165 (or 168155 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 3827155560128 in words is "three trillion, eight hundred twenty-seven billion, one hundred fifty-five million, five hundred sixty thousand, one hundred twenty-eight".