11945646498 has 16 divisors (see below), whose sum is σ = 23914889856. Its totient is φ = 3977949360.

The previous prime is 11945646497. The next prime is 11945646509. The reversal of 11945646498 is 89464654911.

It is not an unprimeable number, because it can be changed into a prime (11945646497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976618 + ... + 988773.

It is an arithmetic number, because the mean of its divisors is an integer number (1494680616).

Almost surely, 2^11945646498 is an apocalyptic number.

11945646498 is an abundant number, since it is smaller than the sum of its proper divisors (11969243358).

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

11945646498 is a wasteful number, since it uses less digits than its factorization.

11945646498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966409.

The product of its digits is 7464960, while the sum is 57.

The spelling of 11945646498 in words is "eleven billion, nine hundred forty-five million, six hundred forty-six thousand, four hundred ninety-eight".