109072515 has 8 divisors (see below), whose sum is σ = 174516048. Its totient is φ = 58172000.

The previous prime is 109072511. The next prime is 109072519. The reversal of 109072515 is 515270901.

It is an interprime number because it is at equal distance from previous prime (109072511) and next prime (109072519).

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

It is not a de Polignac number, because 109072515 - 2² = 109072511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109072511) 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, 3635736 + ... + 3635765.

It is an arithmetic number, because the mean of its divisors is an integer number (21814506).

Almost surely, 2^109072515 is an apocalyptic number.

109072515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109072515 is a deficient number, since it is larger than the sum of its proper divisors (65443533).

109072515 is an equidigital number, since it uses as much as digits as its factorization.

109072515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271509.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 109072515 is about 10443.7787701579. The cubic root of 109072515 is about 477.7915254242.

The spelling of 109072515 in words is "one hundred nine million, seventy-two thousand, five hundred fifteen".