7111134487 has 2 divisors, whose sum is σ = 7111134488. Its totient is φ = 7111134486.

The previous prime is 7111134461. The next prime is 7111134509. The reversal of 7111134487 is 7844311117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7111134487 - 2²³ = 7102745879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7111134887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3555567243 + 3555567244.

It is an arithmetic number, because the mean of its divisors is an integer number (3555567244).

Almost surely, 2^7111134487 is an apocalyptic number.

7111134487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7111134487 is an equidigital number, since it uses as much as digits as its factorization.

7111134487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 37.

The square root of 7111134487 is about 84327.5428730139. The cubic root of 7111134487 is about 1923.0015341908.

The spelling of 7111134487 in words is "seven billion, one hundred eleven million, one hundred thirty-four thousand, four hundred eighty-seven".