115255819 has 8 divisors (see below), whose sum is σ = 132887520. Its totient is φ = 97915776.

The previous prime is 115255817. The next prime is 115255823. The reversal of 115255819 is 918552511.

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

It is not a de Polignac number, because 115255819 - 2¹ = 115255817 is a prime.

It is a super-2 number, since 2×115255819² = 26567807626721522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115255817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72064 + ... + 73645.

It is an arithmetic number, because the mean of its divisors is an integer number (16610940).

Almost surely, 2^115255819 is an apocalyptic number.

115255819 is a deficient number, since it is larger than the sum of its proper divisors (17631701).

115255819 is a wasteful number, since it uses less digits than its factorization.

115255819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145829.

The product of its digits is 18000, while the sum is 37.

The square root of 115255819 is about 10735.7262912204. The cubic root of 115255819 is about 486.6547354824.

The spelling of 115255819 in words is "one hundred fifteen million, two hundred fifty-five thousand, eight hundred nineteen".