3813861541056 has 224 divisors, whose sum is σ = 11649861749760. Its totient is φ = 1078585196544.

The previous prime is 3813861541051. The next prime is 3813861541073. The reversal of 3813861541056 is 6501451683183.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (3813861541051) 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, 367808640 + ... + 367819008.

Almost surely, 2^{3813861541056} 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 3813861541056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5824930874880).

3813861541056 is an abundant number, since it is smaller than the sum of its proper divisors (7836000208704).

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

3813861541056 is a wasteful number, since it uses less digits than its factorization.

3813861541056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151 (or 13141 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 3813861541056 in words is "three trillion, eight hundred thirteen billion, eight hundred sixty-one million, five hundred forty-one thousand, fifty-six".