11647447448798 has 32 divisors (see below), whose sum is σ = 20163278553600. Its totient is φ = 4942718146080.

The previous prime is 11647447448761. The next prime is 11647447448849. The reversal of 11647447448798 is 89784474474611.

It is a super-2 number, since 2×11647447448798² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11903153 + ... + 12844451.

It is an arithmetic number, because the mean of its divisors is an integer number (630102454800).

Almost surely, 2^{11647447448798} is an apocalyptic number.

11647447448798 is a deficient number, since it is larger than the sum of its proper divisors (8515831104802).

11647447448798 is a wasteful number, since it uses less digits than its factorization.

11647447448798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949992.

The product of its digits is 1213857792, while the sum is 74.

The spelling of 11647447448798 in words is "eleven trillion, six hundred forty-seven billion, four hundred forty-seven million, four hundred forty-eight thousand, seven hundred ninety-eight".