11491906468 has 12 divisors (see below), whose sum is σ = 22983812992. Its totient is φ = 4925102760.

The previous prime is 11491906457. The next prime is 11491906513. The reversal of 11491906468 is 86460919411.

11491906468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11491906468 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205212588 + ... + 205212643.

Almost surely, 2^11491906468 is an apocalyptic number.

It is an amenable number.

11491906468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11491906468 is a wasteful number, since it uses less digits than its factorization.

11491906468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410425242 (or 410425240 counting only the distinct ones).

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

The spelling of 11491906468 in words is "eleven billion, four hundred ninety-one million, nine hundred six thousand, four hundred sixty-eight".