1117558139 has 2 divisors, whose sum is σ = 1117558140. Its totient is φ = 1117558138.

The previous prime is 1117558129. The next prime is 1117558147. The reversal of 1117558139 is 9318557111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1117558139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1117558096 and 1117558105.

It is not a weakly prime, because it can be changed into another prime (1117558129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558779069 + 558779070.

It is an arithmetic number, because the mean of its divisors is an integer number (558779070).

Almost surely, 2^1117558139 is an apocalyptic number.

1117558139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117558139 is an equidigital number, since it uses as much as digits as its factorization.

1117558139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 41.

The square root of 1117558139 is about 33429.8988781001. The cubic root of 1117558139 is about 1037.7435480689.

The spelling of 1117558139 in words is "one billion, one hundred seventeen million, five hundred fifty-eight thousand, one hundred thirty-nine".