11217471848 has 32 divisors (see below), whose sum is σ = 23043346560. Its totient is φ = 5076958080.

The previous prime is 11217471827. The next prime is 11217471857. The reversal of 11217471848 is 84817471211.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 11217471799 and 11217471808.

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, 253040 + ... + 294047.

It is an arithmetic number, because the mean of its divisors is an integer number (720104580).

Almost surely, 2^11217471848 is an apocalyptic number.

It is an amenable number.

11217471848 is an abundant number, since it is smaller than the sum of its proper divisors (11825874712).

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

11217471848 is a wasteful number, since it uses less digits than its factorization.

11217471848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547337 (or 547333 counting only the distinct ones).

The product of its digits is 100352, while the sum is 44.

The spelling of 11217471848 in words is "eleven billion, two hundred seventeen million, four hundred seventy-one thousand, eight hundred forty-eight".