115451615 has 8 divisors (see below), whose sum is σ = 138986448. Its totient is φ = 92064960.

The previous prime is 115451591. The next prime is 115451621. The reversal of 115451615 is 516154511.

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

It is not a de Polignac number, because 115451615 - 2¹⁰ = 115450591 is a prime.

It is a super-2 number, since 2×115451615² = 26658150812216450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35321 + ... + 38450.

It is an arithmetic number, because the mean of its divisors is an integer number (17373306).

Almost surely, 2^115451615 is an apocalyptic number.

115451615 is a deficient number, since it is larger than the sum of its proper divisors (23534833).

115451615 is an equidigital number, since it uses as much as digits as its factorization.

115451615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74089.

The product of its digits is 3000, while the sum is 29.

The square root of 115451615 is about 10744.8413203732. The cubic root of 115451615 is about 486.9301551118.

The spelling of 115451615 in words is "one hundred fifteen million, four hundred fifty-one thousand, six hundred fifteen".