1111888847 has 2 divisors, whose sum is σ = 1111888848. Its totient is φ = 1111888846.

The previous prime is 1111888781. The next prime is 1111888853. The reversal of 1111888847 is 7488881111.

It is a strong prime.

It is an emirp because it is prime and its reverse (7488881111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111888847 - 2¹² = 1111884751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111888867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555944423 + 555944424.

It is an arithmetic number, because the mean of its divisors is an integer number (555944424).

Almost surely, 2^1111888847 is an apocalyptic number.

1111888847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111888847 is an equidigital number, since it uses as much as digits as its factorization.

1111888847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 114688, while the sum is 47.

The square root of 1111888847 is about 33344.9973309341. The cubic root of 1111888847 is about 1035.9857729123.

The spelling of 1111888847 in words is "one billion, one hundred eleven million, eight hundred eighty-eight thousand, eight hundred forty-seven".