11575921296 has 160 divisors (see below), whose sum is σ = 31765966848. Its totient is φ = 3626703360.

The previous prime is 11575921289. The next prime is 11575921297. The reversal of 11575921296 is 69212957511.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (11575921297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14523970 + ... + 14524766.

Almost surely, 2^11575921296 is an apocalyptic number.

11575921296 is a gapful number since it is divisible by the number (16) 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 11575921296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15882983424).

11575921296 is an abundant number, since it is smaller than the sum of its proper divisors (20190045552).

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

11575921296 is a wasteful number, since it uses less digits than its factorization.

11575921296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1103 counting only the distinct ones).

The product of its digits is 340200, while the sum is 48.

The spelling of 11575921296 in words is "eleven billion, five hundred seventy-five million, nine hundred twenty-one thousand, two hundred ninety-six".