11913189696 has 392 divisors, whose sum is σ = 37978689600. Its totient is φ = 3695155200.

The previous prime is 11913189683. The next prime is 11913189703. The reversal of 11913189696 is 69698131911.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 78895221 + ... + 78895371.

Almost surely, 2^11913189696 is an apocalyptic number.

11913189696 is a gapful number since it is divisible by the number (16) 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 11913189696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18989344800).

11913189696 is an abundant number, since it is smaller than the sum of its proper divisors (26065499904).

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

11913189696 is an equidigital number, since it uses as much as digits as its factorization.

11913189696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 264 counting only the distinct ones).

The product of its digits is 629856, while the sum is 54.

The spelling of 11913189696 in words is "eleven billion, nine hundred thirteen million, one hundred eighty-nine thousand, six hundred ninety-six".