11609951116 has 24 divisors (see below), whose sum is σ = 20539733760. Its totient is φ = 5741593872.

The previous prime is 11609951069. The next prime is 11609951123. The reversal of 11609951116 is 61115990611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328875 + ... + 362461.

It is an arithmetic number, because the mean of its divisors is an integer number (855822240).

Almost surely, 2^11609951116 is an apocalyptic number.

It is an amenable number.

11609951116 is a deficient number, since it is larger than the sum of its proper divisors (8929782644).

11609951116 is a wasteful number, since it uses less digits than its factorization.

11609951116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34533 (or 34531 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 40.

The spelling of 11609951116 in words is "eleven billion, six hundred nine million, nine hundred fifty-one thousand, one hundred sixteen".