11993149111 has 8 divisors (see below), whose sum is σ = 12024159840. Its totient is φ = 11962168608.

The previous prime is 11993149109. The next prime is 11993149139. The reversal of 11993149111 is 11194139911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11993149111 - 2¹ = 11993149109 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 (11993149411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933745 + ... + 946501.

It is an arithmetic number, because the mean of its divisors is an integer number (1503019980).

Almost surely, 2^11993149111 is an apocalyptic number.

11993149111 is a deficient number, since it is larger than the sum of its proper divisors (31010729).

11993149111 is a wasteful number, since it uses less digits than its factorization.

11993149111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15113.

The product of its digits is 8748, while the sum is 40.

The spelling of 11993149111 in words is "eleven billion, nine hundred ninety-three million, one hundred forty-nine thousand, one hundred eleven".