11754225664 has 120 divisors (see below), whose sum is σ = 25191269600. Its totient is φ = 5467668480.

The previous prime is 11754225653. The next prime is 11754225667. The reversal of 11754225664 is 46652245711.

It is a self number, because there is not a number n which added to its sum of digits gives 11754225664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11754225667) 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, 18988747 + ... + 18989365.

Almost surely, 2^11754225664 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 11754225664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12595634800).

11754225664 is an abundant number, since it is smaller than the sum of its proper divisors (13437043936).

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

11754225664 is an frugal number, since it uses more digits than its factorization.

11754225664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 701 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The spelling of 11754225664 in words is "eleven billion, seven hundred fifty-four million, two hundred twenty-five thousand, six hundred sixty-four".