10967911921 has 2 divisors, whose sum is σ = 10967911922. Its totient is φ = 10967911920.

The previous prime is 10967911919. The next prime is 10967911979. The reversal of 10967911921 is 12911976901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10954552896 + 13359025 = 104664^2 + 3655^2 .

It is a cyclic number.

It is not a de Polignac number, because 10967911921 - 2¹ = 10967911919 is a prime.

Together with 10967911919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10967915921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5483955960 + 5483955961.

It is an arithmetic number, because the mean of its divisors is an integer number (5483955961).

Almost surely, 2^10967911921 is an apocalyptic number.

It is an amenable number.

10967911921 is a deficient number, since it is larger than the sum of its proper divisors (1).

10967911921 is an equidigital number, since it uses as much as digits as its factorization.

10967911921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 46.

The spelling of 10967911921 in words is "ten billion, nine hundred sixty-seven million, nine hundred eleven thousand, nine hundred twenty-one".