1100000013391 has 2 divisors, whose sum is σ = 1100000013392. Its totient is φ = 1100000013390.

The previous prime is 1100000013263. The next prime is 1100000013433. The reversal of 1100000013391 is 1933100000011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100000013391 - 2⁷ = 1100000013263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100000013191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000006695 + 550000006696.

It is an arithmetic number, because the mean of its divisors is an integer number (550000006696).

Almost surely, 2^{1100000013391} is an apocalyptic number.

1100000013391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100000013391 is an equidigital number, since it uses as much as digits as its factorization.

1100000013391 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 19.

The spelling of 1100000013391 in words is "one trillion, one hundred billion, thirteen thousand, three hundred ninety-one".