115540555 has 8 divisors (see below), whose sum is σ = 149314032. Its totient is φ = 85322208.

The previous prime is 115540547. The next prime is 115540567. The reversal of 115540555 is 555045511.

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

It is a cyclic number.

It is not a de Polignac number, because 115540555 - 2³ = 115540547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888709 + ... + 888838.

It is an arithmetic number, because the mean of its divisors is an integer number (18664254).

Almost surely, 2^115540555 is an apocalyptic number.

115540555 is a deficient number, since it is larger than the sum of its proper divisors (33773477).

115540555 is a wasteful number, since it uses less digits than its factorization.

115540555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777565.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 115540555 is about 10748.9792538641. The cubic root of 115540555 is about 487.0551611641.

The spelling of 115540555 in words is "one hundred fifteen million, five hundred forty thousand, five hundred fifty-five".