11291179392 has 96 divisors (see below), whose sum is σ = 32568363360. Its totient is φ = 3754828800.

The previous prime is 11291179363. The next prime is 11291179397. The reversal of 11291179392 is 29397119211.

It is a happy number.

11291179392 is a `hidden beast` number, since 1 + 1 + 2 + 91 + 179 + 392 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11291179397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485142 + ... + 507882.

It is an arithmetic number, because the mean of its divisors is an integer number (339253785).

Almost surely, 2^11291179392 is an apocalyptic number.

11291179392 is a gapful number since it is divisible by the number (12) 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 11291179392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16284181680).

11291179392 is an abundant number, since it is smaller than the sum of its proper divisors (21277183968).

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

11291179392 is a wasteful number, since it uses less digits than its factorization.

11291179392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23192 (or 23177 counting only the distinct ones).

The product of its digits is 61236, while the sum is 45.

The spelling of 11291179392 in words is "eleven billion, two hundred ninety-one million, one hundred seventy-nine thousand, three hundred ninety-two".