3811601620371 has 16 divisors (see below), whose sum is σ = 5152302722336. Its totient is φ = 2505991550976.

The previous prime is 3811601620369. The next prime is 3811601620403. The reversal of 3811601620371 is 1730261061183.

It is not a de Polignac number, because 3811601620371 - 2¹ = 3811601620369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3811601620301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143291 + ... + 2988363.

It is an arithmetic number, because the mean of its divisors is an integer number (322018920146).

Almost surely, 2^{3811601620371} is an apocalyptic number.

3811601620371 is a deficient number, since it is larger than the sum of its proper divisors (1340701101965).

3811601620371 is a wasteful number, since it uses less digits than its factorization.

3811601620371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854582.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 3811601620371 in words is "three trillion, eight hundred eleven billion, six hundred one million, six hundred twenty thousand, three hundred seventy-one".