11420656916 has 36 divisors (see below), whose sum is σ = 21263779068. Its totient is φ = 5366120448.

The previous prime is 11420656879. The next prime is 11420656927. The reversal of 11420656916 is 61965602411.

It can be written as a sum of positive squares in 6 ways, for example, as 1763664016 + 9656992900 = 41996^2 + 98270^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 775316 + ... + 789908.

Almost surely, 2^11420656916 is an apocalyptic number.

It is an amenable number.

11420656916 is a deficient number, since it is larger than the sum of its proper divisors (9843122152).

11420656916 is a wasteful number, since it uses less digits than its factorization.

11420656916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15308 (or 15289 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 11420656916 in words is "eleven billion, four hundred twenty million, six hundred fifty-six thousand, nine hundred sixteen".