11011299491 has 2 divisors, whose sum is σ = 11011299492. Its totient is φ = 11011299490.

The previous prime is 11011299461. The next prime is 11011299569. The reversal of 11011299491 is 19499211011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011299491 - 2³⁰ = 9937557667 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011299401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505649745 + 5505649746.

It is an arithmetic number, because the mean of its divisors is an integer number (5505649746).

Almost surely, 2^11011299491 is an apocalyptic number.

11011299491 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011299491 is an equidigital number, since it uses as much as digits as its factorization.

11011299491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 11011299491 in words is "eleven billion, eleven million, two hundred ninety-nine thousand, four hundred ninety-one".