11397845738 has 16 divisors (see below), whose sum is σ = 18130474944. Its totient is φ = 5355391680.

The previous prime is 11397845731. The next prime is 11397845747. The reversal of 11397845738 is 83754879311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11397845731) 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 7 ways as a sum of consecutive naturals, for example, 237068 + ... + 281063.

It is an arithmetic number, because the mean of its divisors is an integer number (1133154684).

Almost surely, 2^11397845738 is an apocalyptic number.

11397845738 is a deficient number, since it is larger than the sum of its proper divisors (6732629206).

11397845738 is a wasteful number, since it uses less digits than its factorization.

11397845738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518797.

The product of its digits is 5080320, while the sum is 56.

The spelling of 11397845738 in words is "eleven billion, three hundred ninety-seven million, eight hundred forty-five thousand, seven hundred thirty-eight".