3865382501111 has 12 divisors (see below), whose sum is σ = 4079665213272. Its totient is φ = 3661820946864.

The previous prime is 3865382501093. The next prime is 3865382501117. The reversal of 3865382501111 is 1111052835683.

It is not a de Polignac number, because 3865382501111 - 2¹⁰ = 3865382500087 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 (3865382501117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11983796 + ... + 12302118.

It is an arithmetic number, because the mean of its divisors is an integer number (339972101106).

Almost surely, 2^{3865382501111} is an apocalyptic number.

3865382501111 is a deficient number, since it is larger than the sum of its proper divisors (214282712161).

3865382501111 is a wasteful number, since it uses less digits than its factorization.

3865382501111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351998 (or 351979 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 3865382501111 in words is "three trillion, eight hundred sixty-five billion, three hundred eighty-two million, five hundred one thousand, one hundred eleven".