115510505 has 8 divisors (see below), whose sum is σ = 151213824. Its totient is φ = 84007600.

The previous prime is 115510501. The next prime is 115510511. The reversal of 115510505 is 505015511.

It is a happy number.

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

It is not a de Polignac number, because 115510505 - 2² = 115510501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115510501) 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, 1050041 + ... + 1050150.

It is an arithmetic number, because the mean of its divisors is an integer number (18901728).

Almost surely, 2^115510505 is an apocalyptic number.

It is an amenable number.

115510505 is a deficient number, since it is larger than the sum of its proper divisors (35703319).

115510505 is a wasteful number, since it uses less digits than its factorization.

115510505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100207.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 115510505 is about 10747.5813558214. The cubic root of 115510505 is about 487.0129327689.

It can be divided in two parts, 11 and 5510505, that multiplied together give a triangular number (60615555 = T₁₁₀₁₀).

The spelling of 115510505 in words is "one hundred fifteen million, five hundred ten thousand, five hundred five".