10911801391 has 2 divisors, whose sum is σ = 10911801392. Its totient is φ = 10911801390.

The previous prime is 10911801379. The next prime is 10911801401. The reversal of 10911801391 is 19310811901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10911801391 - 2¹⁹ = 10911277103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10911801371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5455900695 + 5455900696.

It is an arithmetic number, because the mean of its divisors is an integer number (5455900696).

Almost surely, 2^10911801391 is an apocalyptic number.

10911801391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10911801391 is an equidigital number, since it uses as much as digits as its factorization.

10911801391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 34.

The spelling of 10911801391 in words is "ten billion, nine hundred eleven million, eight hundred one thousand, three hundred ninety-one".