115015666 has 8 divisors (see below), whose sum is σ = 172975104. Its totient is φ = 57357300.

The previous prime is 115015651. The next prime is 115015687. The reversal of 115015666 is 666510511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74310 + ... + 75841.

It is an arithmetic number, because the mean of its divisors is an integer number (21621888).

Almost surely, 2^115015666 is an apocalyptic number.

115015666 is a deficient number, since it is larger than the sum of its proper divisors (57959438).

115015666 is a wasteful number, since it uses less digits than its factorization.

115015666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150536.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 115015666 is about 10724.5357009057. The cubic root of 115015666 is about 486.3164941018.

The spelling of 115015666 in words is "one hundred fifteen million, fifteen thousand, six hundred sixty-six".