1121416811 has 2 divisors, whose sum is σ = 1121416812. Its totient is φ = 1121416810.

The previous prime is 1121416783. The next prime is 1121416843. The reversal of 1121416811 is 1186141211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121416811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121416861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560708405 + 560708406.

It is an arithmetic number, because the mean of its divisors is an integer number (560708406).

Almost surely, 2^1121416811 is an apocalyptic number.

1121416811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121416811 is an equidigital number, since it uses as much as digits as its factorization.

1121416811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 26.

The square root of 1121416811 is about 33487.5620342837. The cubic root of 1121416811 is about 1038.9365395848.

The spelling of 1121416811 in words is "one billion, one hundred twenty-one million, four hundred sixteen thousand, eight hundred eleven".