115461515 has 16 divisors (see below), whose sum is σ = 154027776. Its totient is φ = 82512000.

The previous prime is 115461491. The next prime is 115461517. The reversal of 115461515 is 515164511.

It is not a de Polignac number, because 115461515 - 2¹⁰ = 115460491 is a prime.

It is a super-2 number, since 2×115461515² = 26662722892190450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115461517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26636 + ... + 30665.

It is an arithmetic number, because the mean of its divisors is an integer number (9626736).

Almost surely, 2^115461515 is an apocalyptic number.

115461515 is a deficient number, since it is larger than the sum of its proper divisors (38566261).

115461515 is a wasteful number, since it uses less digits than its factorization.

115461515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57350.

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

The square root of 115461515 is about 10745.3019966867. The cubic root of 115461515 is about 486.9440728347.

The spelling of 115461515 in words is "one hundred fifteen million, four hundred sixty-one thousand, five hundred fifteen".