11774641152 has 88 divisors (see below), whose sum is σ = 32113925536. Its totient is φ = 3833561088.

The previous prime is 11774641117. The next prime is 11774641169. The reversal of 11774641152 is 25114647711.

It is a self number, because there is not a number n which added to its sum of digits gives 11774641152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87528 + ... + 176664.

It is an arithmetic number, because the mean of its divisors is an integer number (364930972).

Almost surely, 2^11774641152 is an apocalyptic number.

11774641152 is a gapful number since it is divisible by the number (12) 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 11774641152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16056962768).

11774641152 is an abundant number, since it is smaller than the sum of its proper divisors (20339284384).

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

11774641152 is an equidigital number, since it uses as much as digits as its factorization.

11774641152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89203 (or 89185 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The spelling of 11774641152 in words is "eleven billion, seven hundred seventy-four million, six hundred forty-one thousand, one hundred fifty-two".