11905613896 has 32 divisors (see below), whose sum is σ = 24371604000. Its totient is φ = 5407373440.

The previous prime is 11905613827. The next prime is 11905613897. The reversal of 11905613896 is 69831650911.

It is not an unprimeable number, because it can be changed into a prime (11905613897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60180 + ... + 165628.

It is an arithmetic number, because the mean of its divisors is an integer number (761612625).

Almost surely, 2^11905613896 is an apocalyptic number.

It is an amenable number.

11905613896 is an abundant number, since it is smaller than the sum of its proper divisors (12465990104).

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

11905613896 is a wasteful number, since it uses less digits than its factorization.

11905613896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106749 (or 106745 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 11905613896 in words is "eleven billion, nine hundred five million, six hundred thirteen thousand, eight hundred ninety-six".