11608130821 has 16 divisors (see below), whose sum is σ = 13541872000. Its totient is φ = 9946377504.

The previous prime is 11608130819. The next prime is 11608130827. The reversal of 11608130821 is 12803180611.

It is not a de Polignac number, because 11608130821 - 2¹ = 11608130819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11608130827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1750450 + ... + 1757068.

It is an arithmetic number, because the mean of its divisors is an integer number (846367000).

Almost surely, 2^11608130821 is an apocalyptic number.

It is an amenable number.

11608130821 is a deficient number, since it is larger than the sum of its proper divisors (1933741179).

11608130821 is an frugal number, since it uses more digits than its factorization.

11608130821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11753 (or 11739 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 11608130821 in words is "eleven billion, six hundred eight million, one hundred thirty thousand, eight hundred twenty-one".