11621717116 has 12 divisors (see below), whose sum is σ = 20352741640. Its totient is φ = 5806648080.

The previous prime is 11621717087. The next prime is 11621717117. The reversal of 11621717116 is 61171712611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621717117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046406 + ... + 1057453.

Almost surely, 2^11621717116 is an apocalyptic number.

It is an amenable number.

11621717116 is a deficient number, since it is larger than the sum of its proper divisors (8731024524).

11621717116 is a wasteful number, since it uses less digits than its factorization.

11621717116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105244 (or 2105242 counting only the distinct ones).

The product of its digits is 3528, while the sum is 34.

The spelling of 11621717116 in words is "eleven billion, six hundred twenty-one million, seven hundred seventeen thousand, one hundred sixteen".