11853969664 has 36 divisors (see below), whose sum is σ = 23751737856. Its totient is φ = 5904415232.

The previous prime is 11853969629. The next prime is 11853969691. The reversal of 11853969664 is 46696935811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11853969599 and 11853969608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20704 + ... + 155359.

It is an arithmetic number, because the mean of its divisors is an integer number (659770496).

Almost surely, 2^11853969664 is an apocalyptic number.

It is an amenable number.

11853969664 is an abundant number, since it is smaller than the sum of its proper divisors (11897768192).

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

11853969664 is an equidigital number, since it uses as much as digits as its factorization.

11853969664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176342 (or 176328 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 58.

The spelling of 11853969664 in words is "eleven billion, eight hundred fifty-three million, nine hundred sixty-nine thousand, six hundred sixty-four".