11020387267 has 8 divisors (see below), whose sum is σ = 11173544640. Its totient is φ = 10867571520.

The previous prime is 11020387249. The next prime is 11020387291. The reversal of 11020387267 is 76278302011.

11020387267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020387267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020382267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20098 + ... + 149815.

It is an arithmetic number, because the mean of its divisors is an integer number (1396693080).

Almost surely, 2^11020387267 is an apocalyptic number.

11020387267 is a deficient number, since it is larger than the sum of its proper divisors (153157373).

11020387267 is an equidigital number, since it uses as much as digits as its factorization.

11020387267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170813.

The product of its (nonzero) digits is 28224, while the sum is 37.

Adding to 11020387267 its reverse (76278302011), we get a palindrome (87298689278).

It can be divided in two parts, 1102038 and 7267, that added together give a triangular number (1109305 = T₁₄₈₉).

The spelling of 11020387267 in words is "eleven billion, twenty million, three hundred eighty-seven thousand, two hundred sixty-seven".