10931329811 has 2 divisors, whose sum is σ = 10931329812. Its totient is φ = 10931329810.

The previous prime is 10931329769. The next prime is 10931329813. The reversal of 10931329811 is 11892313901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10931329811 is a prime.

Together with 10931329813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10931329813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5465664905 + 5465664906.

It is an arithmetic number, because the mean of its divisors is an integer number (5465664906).

Almost surely, 2^10931329811 is an apocalyptic number.

10931329811 is a deficient number, since it is larger than the sum of its proper divisors (1).

10931329811 is an equidigital number, since it uses as much as digits as its factorization.

10931329811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 10931329811 in words is "ten billion, nine hundred thirty-one million, three hundred twenty-nine thousand, eight hundred eleven".