11609085964 has 96 divisors (see below), whose sum is σ = 25181356032. Its totient is φ = 4573800000.

The previous prime is 11609085907. The next prime is 11609085977. The reversal of 11609085964 is 46958090611.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3012639 + ... + 3016489.

It is an arithmetic number, because the mean of its divisors is an integer number (262305792).

Almost surely, 2^11609085964 is an apocalyptic number.

11609085964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11609085964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12590678016).

11609085964 is an abundant number, since it is smaller than the sum of its proper divisors (13572270068).

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

11609085964 is a wasteful number, since it uses less digits than its factorization.

11609085964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067 (or 4065 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 11609085964 in words is "eleven billion, six hundred nine million, eighty-five thousand, nine hundred sixty-four".