11494297438 has 16 divisors (see below), whose sum is σ = 19020584016. Its totient is φ = 5175668160.

The previous prime is 11494297421. The next prime is 11494297457. The reversal of 11494297438 is 83479249411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 5390256 + ... + 5392387.

It is an arithmetic number, because the mean of its divisors is an integer number (1188786501).

Almost surely, 2^11494297438 is an apocalyptic number.

11494297438 is a deficient number, since it is larger than the sum of its proper divisors (7526286578).

11494297438 is a wasteful number, since it uses less digits than its factorization.

11494297438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782699.

The product of its digits is 1741824, while the sum is 52.

The spelling of 11494297438 in words is "eleven billion, four hundred ninety-four million, two hundred ninety-seven thousand, four hundred thirty-eight".