11178196992 has 150 divisors (see below), whose sum is σ = 33399534168. Its totient is φ = 3725623296.

The previous prime is 11178196963. The next prime is 11178196993. The reversal of 11178196992 is 29969187111.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11178196993) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1322893 + ... + 1331315.

Almost surely, 2^11178196992 is an apocalyptic number.

11178196992 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 11178196992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16699767084).

11178196992 is an abundant number, since it is smaller than the sum of its proper divisors (22221337176).

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

11178196992 is an frugal number, since it uses more digits than its factorization.

11178196992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463 (or 8428 counting only the distinct ones).

The product of its digits is 489888, while the sum is 54.

The spelling of 11178196992 in words is "eleven billion, one hundred seventy-eight million, one hundred ninety-six thousand, nine hundred ninety-two".