10611919811 has 2 divisors, whose sum is σ = 10611919812. Its totient is φ = 10611919810.

The previous prime is 10611919807. The next prime is 10611919817. The reversal of 10611919811 is 11891911601.

It is a weak prime.

It is an emirp because it is prime and its reverse (11891911601) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 11861611901 and 10911616811.

It is a cyclic number.

It is not a de Polignac number, because 10611919811 - 2² = 10611919807 is a prime.

It is a super-2 number, since 2×10611919811² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10611919817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5305959905 + 5305959906.

It is an arithmetic number, because the mean of its divisors is an integer number (5305959906).

Almost surely, 2^10611919811 is an apocalyptic number.

10611919811 is a deficient number, since it is larger than the sum of its proper divisors (1).

10611919811 is an equidigital number, since it uses as much as digits as its factorization.

10611919811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 38.

The spelling of 10611919811 in words is "ten billion, six hundred eleven million, nine hundred nineteen thousand, eight hundred eleven".