11322043287 has 16 divisors (see below), whose sum is σ = 15356323680. Its totient is φ = 7418102400.

The previous prime is 11322043283. The next prime is 11322043309. The reversal of 11322043287 is 78234022311.

It is not a de Polignac number, because 11322043287 - 2² = 11322043283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322043283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199737 + ... + 250077.

It is an arithmetic number, because the mean of its divisors is an integer number (959770230).

Almost surely, 2^11322043287 is an apocalyptic number.

11322043287 is a deficient number, since it is larger than the sum of its proper divisors (4034280393).

11322043287 is a wasteful number, since it uses less digits than its factorization.

11322043287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51634.

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 11322043287 its reverse (78234022311), we get a palindrome (89556065598).

The spelling of 11322043287 in words is "eleven billion, three hundred twenty-two million, forty-three thousand, two hundred eighty-seven".