3912685913111 has 2 divisors, whose sum is σ = 3912685913112. Its totient is φ = 3912685913110.

The previous prime is 3912685913099. The next prime is 3912685913183. The reversal of 3912685913111 is 1113195862193.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3912685913111 - 2¹⁸ = 3912685650967 is a prime.

It is a super-2 number, since 2×3912685913111² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3912685913111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3912685313111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956342956555 + 1956342956556.

It is an arithmetic number, because the mean of its divisors is an integer number (1956342956556).

Almost surely, 2^{3912685913111} is an apocalyptic number.

3912685913111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3912685913111 is an equidigital number, since it uses as much as digits as its factorization.

3912685913111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 50.

The spelling of 3912685913111 in words is "three trillion, nine hundred twelve billion, six hundred eighty-five million, nine hundred thirteen thousand, one hundred eleven".