1099964911 has 4 divisors (see below), whose sum is σ = 1100264400. Its totient is φ = 1099665424.

The previous prime is 1099964869. The next prime is 1099964947. The reversal of 1099964911 is 1194699901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1194699901 = 241 ⋅4957261.

It is a cyclic number.

It is not a de Polignac number, because 1099964911 - 2⁷ = 1099964783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099964951) 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 in 3 ways as a sum of consecutive naturals, for example, 144166 + ... + 151603.

It is an arithmetic number, because the mean of its divisors is an integer number (275066100).

Almost surely, 2^1099964911 is an apocalyptic number.

1099964911 is a deficient number, since it is larger than the sum of its proper divisors (299489).

1099964911 is an equidigital number, since it uses as much as digits as its factorization.

1099964911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299488.

The product of its (nonzero) digits is 157464, while the sum is 49.

The square root of 1099964911 is about 33165.7189127569. The cubic root of 1099964911 is about 1032.2691390739.

The spelling of 1099964911 in words is "one billion, ninety-nine million, nine hundred sixty-four thousand, nine hundred eleven".