11161608192 has 448 divisors, whose sum is σ = 38690092800. Its totient is φ = 3153199104.

The previous prime is 11161608173. The next prime is 11161608203. The reversal of 11161608192 is 29180616111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 125411284 + ... + 125411372.

Almost surely, 2^11161608192 is an apocalyptic number.

11161608192 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 11161608192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19345046400).

11161608192 is an abundant number, since it is smaller than the sum of its proper divisors (27528484608).

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

11161608192 is an frugal number, since it uses more digits than its factorization.

11161608192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 11161608192 in words is "eleven billion, one hundred sixty-one million, six hundred eight thousand, one hundred ninety-two".