3900111110113 has 2 divisors, whose sum is σ = 3900111110114. Its totient is φ = 3900111110112.

The previous prime is 3900111110107. The next prime is 3900111110173. The reversal of 3900111110113 is 3110111110093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3009971695329 + 890139414784 = 1734927^2 + 943472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3900111110113 is a prime.

It is not a weakly prime, because it can be changed into another prime (3900111110173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950055555056 + 1950055555057.

It is an arithmetic number, because the mean of its divisors is an integer number (1950055555057).

Almost surely, 2^{3900111110113} is an apocalyptic number.

It is an amenable number.

3900111110113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3900111110113 is an equidigital number, since it uses as much as digits as its factorization.

3900111110113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 3900111110113 in words is "three trillion, nine hundred billion, one hundred eleven million, one hundred ten thousand, one hundred thirteen".