11889418752 has 60 divisors (see below), whose sum is σ = 34313680830. Its totient is φ = 3963138048.

The previous prime is 11889418733. The next prime is 11889418759. The reversal of 11889418752 is 25781498811.

It can be written as a sum of positive squares in only one way, i.e., 10093015296 + 1796403456 = 100464^2 + 42384^2 .

It is not an unprimeable number, because it can be changed into a prime (11889418759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1285477 + ... + 1294692.

Almost surely, 2^11889418752 is an apocalyptic number.

11889418752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11889418752 is an abundant number, since it is smaller than the sum of its proper divisors (22424262078).

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

11889418752 is an equidigital number, since it uses as much as digits as its factorization.

11889418752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580193 (or 2580174 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 54.

The spelling of 11889418752 in words is "eleven billion, eight hundred eighty-nine million, four hundred eighteen thousand, seven hundred fifty-two".