11244431987 has 8 divisors (see below), whose sum is σ = 11510753280. Its totient is φ = 10980635400.

The previous prime is 11244431959. The next prime is 11244432049. The reversal of 11244431987 is 78913444211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11244431987 - 2⁶ = 11244431923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11244431927) 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, 622163 + ... + 639980.

It is an arithmetic number, because the mean of its divisors is an integer number (1438844160).

Almost surely, 2^11244431987 is an apocalyptic number.

11244431987 is a deficient number, since it is larger than the sum of its proper divisors (266321293).

11244431987 is a wasteful number, since it uses less digits than its factorization.

11244431987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262353.

The product of its digits is 193536, while the sum is 44.

The spelling of 11244431987 in words is "eleven billion, two hundred forty-four million, four hundred thirty-one thousand, nine hundred eighty-seven".