1158081623 has 2 divisors, whose sum is σ = 1158081624. Its totient is φ = 1158081622.

The previous prime is 1158081607. The next prime is 1158081629. The reversal of 1158081623 is 3261808511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1158081623 - 2⁴ = 1158081607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1158081629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579040811 + 579040812.

It is an arithmetic number, because the mean of its divisors is an integer number (579040812).

Almost surely, 2^1158081623 is an apocalyptic number.

1158081623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158081623 is an equidigital number, since it uses as much as digits as its factorization.

1158081623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1158081623 is about 34030.5983344401. The cubic root of 1158081623 is about 1050.1380386924.

The spelling of 1158081623 in words is "one billion, one hundred fifty-eight million, eighty-one thousand, six hundred twenty-three".