11199723927 has 16 divisors (see below), whose sum is σ = 17616771072. Its totient is φ = 6193395360.

The previous prime is 11199723893. The next prime is 11199723943. The reversal of 11199723927 is 72932799111.

It is not a de Polignac number, because 11199723927 - 2¹² = 11199719831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11199723927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11199723827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8601288 + ... + 8602589.

It is an arithmetic number, because the mean of its divisors is an integer number (1101048192).

Almost surely, 2^11199723927 is an apocalyptic number.

11199723927 is a deficient number, since it is larger than the sum of its proper divisors (6417047145).

11199723927 is a wasteful number, since it uses less digits than its factorization.

11199723927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17203918.

The product of its digits is 428652, while the sum is 51.

The spelling of 11199723927 in words is "eleven billion, one hundred ninety-nine million, seven hundred twenty-three thousand, nine hundred twenty-seven".