1111590047 has 2 divisors, whose sum is σ = 1111590048. Its totient is φ = 1111590046.

The previous prime is 1111590037. The next prime is 1111590049. The reversal of 1111590047 is 7400951111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111590047 - 2²⁶ = 1044481183 is a prime.

Together with 1111590049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111590049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555795023 + 555795024.

It is an arithmetic number, because the mean of its divisors is an integer number (555795024).

Almost surely, 2^1111590047 is an apocalyptic number.

1111590047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111590047 is an equidigital number, since it uses as much as digits as its factorization.

1111590047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 1111590047 is about 33340.5165976774. The cubic root of 1111590047 is about 1035.8929637906.

The spelling of 1111590047 in words is "one billion, one hundred eleven million, five hundred ninety thousand, forty-seven".