3813801120557 has 8 divisors (see below), whose sum is σ = 3917081359200. Its totient is φ = 3710531646864.

The previous prime is 3813801120551. The next prime is 3813801120587. The reversal of 3813801120557 is 7550211083183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3813801120557 - 2¹⁰ = 3813801119533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813801120551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970507 + ... + 3392712.

It is an arithmetic number, because the mean of its divisors is an integer number (489635169900).

Almost surely, 2^{3813801120557} is an apocalyptic number.

3813801120557 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3813801120557 is a deficient number, since it is larger than the sum of its proper divisors (103280238643).

3813801120557 is a wasteful number, since it uses less digits than its factorization.

3813801120557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382475.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 3813801120557 in words is "three trillion, eight hundred thirteen billion, eight hundred one million, one hundred twenty thousand, five hundred fifty-seven".