11968446091 has 8 divisors (see below), whose sum is σ = 13785927680. Its totient is φ = 10177890408.

The previous prime is 11968446067. The next prime is 11968446101. The reversal of 11968446091 is 19064486911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11968446091 - 2⁵ = 11968446059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11968446691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6730521 + ... + 6732298.

It is an arithmetic number, because the mean of its divisors is an integer number (1723240960).

Almost surely, 2^11968446091 is an apocalyptic number.

11968446091 is a deficient number, since it is larger than the sum of its proper divisors (1817481589).

11968446091 is a wasteful number, since it uses less digits than its factorization.

11968446091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13462953.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 11968446091 in words is "eleven billion, nine hundred sixty-eight million, four hundred forty-six thousand, ninety-one".