11656110445530 has 16 divisors (see below), whose sum is σ = 27974665069344. Its totient is φ = 3108296118800.

The previous prime is 11656110445513. The next prime is 11656110445559. The reversal of 11656110445530 is 3554401165611.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194268507396 + ... + 194268507455.

It is an arithmetic number, because the mean of its divisors is an integer number (1748416566834).

Almost surely, 2^{11656110445530} is an apocalyptic number.

11656110445530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11656110445530 is an abundant number, since it is smaller than the sum of its proper divisors (16318554623814).

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

11656110445530 is a wasteful number, since it uses less digits than its factorization.

11656110445530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388537014861.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 11656110445530 in words is "eleven trillion, six hundred fifty-six billion, one hundred ten million, four hundred forty-five thousand, five hundred thirty".