11224871387 has 2 divisors, whose sum is σ = 11224871388. Its totient is φ = 11224871386.

The previous prime is 11224871381. The next prime is 11224871389. The reversal of 11224871387 is 78317842211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11224871387 - 2⁶ = 11224871323 is a prime.

Together with 11224871389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11224871381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612435693 + 5612435694.

It is an arithmetic number, because the mean of its divisors is an integer number (5612435694).

Almost surely, 2^11224871387 is an apocalyptic number.

11224871387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11224871387 is an equidigital number, since it uses as much as digits as its factorization.

11224871387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 44.

The spelling of 11224871387 in words is "eleven billion, two hundred twenty-four million, eight hundred seventy-one thousand, three hundred eighty-seven".