3813572057121 has 32 divisors (see below), whose sum is σ = 5785261920000. Its totient is φ = 2481876993024.

The previous prime is 3813572057059. The next prime is 3813572057149. The reversal of 3813572057121 is 1217502753183.

3813572057121 is a `hidden beast` number, since 3 + 8 + 1 + 3 + 5 + 72 + 0 + 571 + 2 + 1 = 666.

It is not a de Polignac number, because 3813572057121 - 2⁷ = 3813572056993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3813572057161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6411136 + ... + 6980673.

It is an arithmetic number, because the mean of its divisors is an integer number (180789435000).

Almost surely, 2^{3813572057121} is an apocalyptic number.

It is an amenable number.

3813572057121 is a deficient number, since it is larger than the sum of its proper divisors (1971689862879).

3813572057121 is a wasteful number, since it uses less digits than its factorization.

3813572057121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13392070 (or 13392064 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 3813572057121 in words is "three trillion, eight hundred thirteen billion, five hundred seventy-two million, fifty-seven thousand, one hundred twenty-one".