11448396478 has 4 divisors (see below), whose sum is σ = 17172594720. Its totient is φ = 5724198238.

The previous prime is 11448396461. The next prime is 11448396577. The reversal of 11448396478 is 87469384411.

11448396478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87469384411 = 1181 ⋅74063831.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2862099118 + ... + 2862099121.

It is an arithmetic number, because the mean of its divisors is an integer number (4293148680).

Almost surely, 2^11448396478 is an apocalyptic number.

11448396478 is a deficient number, since it is larger than the sum of its proper divisors (5724198242).

11448396478 is an equidigital number, since it uses as much as digits as its factorization.

11448396478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724198241.

The product of its digits is 4644864, while the sum is 55.

The spelling of 11448396478 in words is "eleven billion, four hundred forty-eight million, three hundred ninety-six thousand, four hundred seventy-eight".