11428422587 has 2 divisors, whose sum is σ = 11428422588. Its totient is φ = 11428422586.

The previous prime is 11428422547. The next prime is 11428422589. The reversal of 11428422587 is 78522482411.

It is a strong prime.

It is an emirp because it is prime and its reverse (78522482411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11428422587 - 2²⁸ = 11159987131 is a prime.

Together with 11428422589, 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 (11428422589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5714211293 + 5714211294.

It is an arithmetic number, because the mean of its divisors is an integer number (5714211294).

Almost surely, 2^11428422587 is an apocalyptic number.

11428422587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11428422587 is an equidigital number, since it uses as much as digits as its factorization.

11428422587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286720, while the sum is 44.

The spelling of 11428422587 in words is "eleven billion, four hundred twenty-eight million, four hundred twenty-two thousand, five hundred eighty-seven".