118151617 has 2 divisors, whose sum is σ = 118151618. Its totient is φ = 118151616.

The previous prime is 118151563. The next prime is 118151623. The reversal of 118151617 is 716151811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 35414401 = 9096^2 + 5951^2 .

It is a cyclic number.

It is not a de Polignac number, because 118151617 - 2⁷ = 118151489 is a prime.

It is not a weakly prime, because it can be changed into another prime (118151687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59075808 + 59075809.

It is an arithmetic number, because the mean of its divisors is an integer number (59075809).

Almost surely, 2^118151617 is an apocalyptic number.

It is an amenable number.

118151617 is a deficient number, since it is larger than the sum of its proper divisors (1).

118151617 is an equidigital number, since it uses as much as digits as its factorization.

118151617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 31.

The square root of 118151617 is about 10869.7569890039. The cubic root of 118151617 is about 490.6967970821.

The spelling of 118151617 in words is "one hundred eighteen million, one hundred fifty-one thousand, six hundred seventeen".