11967403448 has 128 divisors (see below), whose sum is σ = 30193067520. Its totient is φ = 4294632960.

The previous prime is 11967403417. The next prime is 11967403457. The reversal of 11967403448 is 84430476911.

It is a congruent number.

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, 4459115 + ... + 4461797.

It is an arithmetic number, because the mean of its divisors is an integer number (235883340).

Almost surely, 2^11967403448 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 11967403448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15096533760).

11967403448 is an abundant number, since it is smaller than the sum of its proper divisors (18225664072).

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

11967403448 is a wasteful number, since it uses less digits than its factorization.

11967403448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 11967403448 in words is "eleven billion, nine hundred sixty-seven million, four hundred three thousand, four hundred forty-eight".