11047438520 has 32 divisors (see below), whose sum is σ = 25463002320. Its totient is φ = 4311194880.

The previous prime is 11047438517. The next prime is 11047438531. The reversal of 11047438520 is 2583474011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3366482 + ... + 3369761.

Almost surely, 2^11047438520 is an apocalyptic number.

11047438520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11047438520 is an abundant number, since it is smaller than the sum of its proper divisors (14415563800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11047438520 is a wasteful number, since it uses less digits than its factorization.

11047438520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736295 (or 6736291 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 11047438520 in words is "eleven billion, forty-seven million, four hundred thirty-eight thousand, five hundred twenty".