11397147843 has 8 divisors (see below), whose sum is σ = 15281092800. Its totient is φ = 7555650728.

The previous prime is 11397147833. The next prime is 11397147847. The reversal of 11397147843 is 34874179311.

11397147843 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 a cyclic number.

It is not a de Polignac number, because 11397147843 - 2⁶ = 11397147779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11397147792 and 11397147801.

It is not an unprimeable number, because it can be changed into a prime (11397147847) 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, 10611333 + ... + 10612406.

It is an arithmetic number, because the mean of its divisors is an integer number (1910136600).

Almost surely, 2^11397147843 is an apocalyptic number.

11397147843 is a deficient number, since it is larger than the sum of its proper divisors (3883944957).

11397147843 is a wasteful number, since it uses less digits than its factorization.

11397147843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21223921.

The product of its digits is 508032, while the sum is 48.

The spelling of 11397147843 in words is "eleven billion, three hundred ninety-seven million, one hundred forty-seven thousand, eight hundred forty-three".