11929895247 has 8 divisors (see below), whose sum is σ = 15912048256. Its totient is φ = 7950502872.

The previous prime is 11929895227. The next prime is 11929895251. The reversal of 11929895247 is 74259892911.

11929895247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11929895247 - 2¹⁸ = 11929633103 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 (11929895227) 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 7 ways as a sum of consecutive naturals, for example, 680053 + ... + 697374.

It is an arithmetic number, because the mean of its divisors is an integer number (1989006032).

Almost surely, 2^11929895247 is an apocalyptic number.

11929895247 is a deficient number, since it is larger than the sum of its proper divisors (3982153009).

11929895247 is a wasteful number, since it uses less digits than its factorization.

11929895247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380317.

The product of its digits is 3265920, while the sum is 57.

The spelling of 11929895247 in words is "eleven billion, nine hundred twenty-nine million, eight hundred ninety-five thousand, two hundred forty-seven".