11163279372 has 96 divisors (see below), whose sum is σ = 31424064000. Its totient is φ = 3079492416.

The previous prime is 11163279371. The next prime is 11163279409. The reversal of 11163279372 is 27397236111.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (11163279371) 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 31 ways as a sum of consecutive naturals, for example, 72603 + ... + 166125.

It is an arithmetic number, because the mean of its divisors is an integer number (327334000).

Almost surely, 2^11163279372 is an apocalyptic number.

11163279372 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 11163279372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15712032000).

11163279372 is an abundant number, since it is smaller than the sum of its proper divisors (20260784628).

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

11163279372 is a wasteful number, since it uses less digits than its factorization.

11163279372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93580 (or 93564 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The spelling of 11163279372 in words is "eleven billion, one hundred sixty-three million, two hundred seventy-nine thousand, three hundred seventy-two".