11896641744 has 80 divisors (see below), whose sum is σ = 33181126272. Its totient is φ = 3651208704.

The previous prime is 11896641721. The next prime is 11896641749. The reversal of 11896641744 is 44714669811.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11896641749) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 223717 + ... + 271739.

Almost surely, 2^11896641744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11896641744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16590563136).

11896641744 is an abundant number, since it is smaller than the sum of its proper divisors (21284484528).

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

11896641744 is a wasteful number, since it uses less digits than its factorization.

11896641744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48444 (or 48438 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The spelling of 11896641744 in words is "eleven billion, eight hundred ninety-six million, six hundred forty-one thousand, seven hundred forty-four".