11605277064 has 64 divisors (see below), whose sum is σ = 30568075200. Its totient is φ = 3661479936.

The previous prime is 11605277063. The next prime is 11605277077. The reversal of 11605277064 is 46077250611.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11605277063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514732 + ... + 536804.

It is an arithmetic number, because the mean of its divisors is an integer number (477626175).

Almost surely, 2^11605277064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11605277064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15284037600).

11605277064 is an abundant number, since it is smaller than the sum of its proper divisors (18962798136).

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

11605277064 is a wasteful number, since it uses less digits than its factorization.

11605277064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23254 (or 23250 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 11605277064 in words is "eleven billion, six hundred five million, two hundred seventy-seven thousand, sixty-four".