11196843840 has 1120 divisors, whose sum is σ = 50559151104. Its totient is φ = 2289254400.

The previous prime is 11196843817. The next prime is 11196843869. The reversal of 11196843840 is 4834869111.

11196843840 is a `hidden beast` number, since 1 + 1 + 196 + 84 + 384 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 110859790 + ... + 110859890.

Almost surely, 2^11196843840 is an apocalyptic number.

11196843840 is a gapful number since it is divisible by the number (10) 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 11196843840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25279575552).

11196843840 is an abundant number, since it is smaller than the sum of its proper divisors (39362307264).

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

11196843840 is a wasteful number, since it uses less digits than its factorization.

11196843840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 11196843840 in words is "eleven billion, one hundred ninety-six million, eight hundred forty-three thousand, eight hundred forty".