115745566 has 4 divisors (see below), whose sum is σ = 173618352. Its totient is φ = 57872782.

The previous prime is 115745543. The next prime is 115745603. The reversal of 115745566 is 665547511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665547511 = 6829 ⋅97459.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28936390 + ... + 28936393.

It is an arithmetic number, because the mean of its divisors is an integer number (43404588).

Almost surely, 2^115745566 is an apocalyptic number.

115745566 is a deficient number, since it is larger than the sum of its proper divisors (57872786).

115745566 is an equidigital number, since it uses as much as digits as its factorization.

115745566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57872785.

The product of its digits is 126000, while the sum is 40.

The square root of 115745566 is about 10758.5113282461. The cubic root of 115745566 is about 487.3430619970.

The spelling of 115745566 in words is "one hundred fifteen million, seven hundred forty-five thousand, five hundred sixty-six".