11166148899 has 48 divisors (see below), whose sum is σ = 16589664000. Its totient is φ = 7234920000.

The previous prime is 11166148837. The next prime is 11166148909. The reversal of 11166148899 is 99884166111.

11166148899 is a `hidden beast` number, since 1 + 1 + 16 + 61 + 488 + 99 = 666.

11166148899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 105670²-1.

It is not a de Polignac number, because 11166148899 - 2¹⁹ = 11165624611 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11166148699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26522709 + ... + 26523129.

It is an arithmetic number, because the mean of its divisors is an integer number (345618000).

Almost surely, 2^11166148899 is an apocalyptic number.

11166148899 is a deficient number, since it is larger than the sum of its proper divisors (5423515101).

11166148899 is a wasteful number, since it uses less digits than its factorization.

11166148899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 933 counting only the distinct ones).

The product of its digits is 746496, while the sum is 54.

The spelling of 11166148899 in words is "eleven billion, one hundred sixty-six million, one hundred forty-eight thousand, eight hundred ninety-nine".