11747645000 has 160 divisors (see below), whose sum is σ = 33877905600. Its totient is φ = 3717792000.

The previous prime is 11747644999. The next prime is 11747645053. The reversal of 11747645000 is 54674711.

It is a happy number.

11747645000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 39 ways as a sum of consecutive naturals, for example, 442091 + ... + 467909.

It is an arithmetic number, because the mean of its divisors is an integer number (211736910).

Almost surely, 2^11747645000 is an apocalyptic number.

11747645000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11747645000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16938952800).

11747645000 is an abundant number, since it is smaller than the sum of its proper divisors (22130260600).

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

11747645000 is a wasteful number, since it uses less digits than its factorization.

11747645000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25865 (or 25846 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 11747645000 in words is "eleven billion, seven hundred forty-seven million, six hundred forty-five thousand".