11047478438 has 8 divisors (see below), whose sum is σ = 16573338720. Its totient is φ = 5523032200.

The previous prime is 11047478437. The next prime is 11047478467. The reversal of 11047478438 is 83487474011.

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

It is a junction number, because it is equal to n+sod(n) for n = 11047478392 and 11047478401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11047478437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333758 + ... + 365361.

It is an arithmetic number, because the mean of its divisors is an integer number (2071667340).

Almost surely, 2^11047478438 is an apocalyptic number.

11047478438 is a deficient number, since it is larger than the sum of its proper divisors (5525860282).

11047478438 is an equidigital number, since it uses as much as digits as its factorization.

11047478438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707022.

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 11047478438 in words is "eleven billion, forty-seven million, four hundred seventy-eight thousand, four hundred thirty-eight".