11995244436 has 24 divisors (see below), whose sum is σ = 31987318720. Its totient is φ = 3427212672.

The previous prime is 11995244431. The next prime is 11995244477. The reversal of 11995244436 is 63444259911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11995244431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71400181 + ... + 71400348.

Almost surely, 2^11995244436 is an apocalyptic number.

It is an amenable number.

11995244436 is an abundant number, since it is smaller than the sum of its proper divisors (19992074284).

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

11995244436 is a wasteful number, since it uses less digits than its factorization.

11995244436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142800543 (or 142800541 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The spelling of 11995244436 in words is "eleven billion, nine hundred ninety-five million, two hundred forty-four thousand, four hundred thirty-six".