11309211678 has 16 divisors (see below), whose sum is σ = 22619535120. Its totient is φ = 3769551936.

The previous prime is 11309211643. The next prime is 11309211679. The reversal of 11309211678 is 87611290311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11309211679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149776 + ... + 212252.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720945).

Almost surely, 2^11309211678 is an apocalyptic number.

11309211678 is an abundant number, since it is smaller than the sum of its proper divisors (11310323442).

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

11309211678 is a wasteful number, since it uses less digits than its factorization.

11309211678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92651.

The product of its (nonzero) digits is 18144, while the sum is 39.

The spelling of 11309211678 in words is "eleven billion, three hundred nine million, two hundred eleven thousand, six hundred seventy-eight".