115166110515 has 8 divisors (see below), whose sum is σ = 184265776848. Its totient is φ = 61421925600.

The previous prime is 115166110463. The next prime is 115166110529. The reversal of 115166110515 is 515011661511.

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

It is not a de Polignac number, because 115166110515 - 2¹⁰ = 115166109491 is a prime.

It is a super-2 number, since 2×115166110515² (a number of 23 digits) contains 22 as substring.

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, 3838870336 + ... + 3838870365.

It is an arithmetic number, because the mean of its divisors is an integer number (23033222106).

Almost surely, 2^115166110515 is an apocalyptic number.

115166110515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115166110515 is a deficient number, since it is larger than the sum of its proper divisors (69099666333).

115166110515 is an equidigital number, since it uses as much as digits as its factorization.

115166110515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677740709.

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 115166110515 in words is "one hundred fifteen billion, one hundred sixty-six million, one hundred ten thousand, five hundred fifteen".