100198515 has 8 divisors (see below), whose sum is σ = 160317648. Its totient is φ = 53439200.

The previous prime is 100198507. The next prime is 100198517. The reversal of 100198515 is 515891001.

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

It is not a de Polignac number, because 100198515 - 2³ = 100198507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100198517) 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, 3339936 + ... + 3339965.

It is an arithmetic number, because the mean of its divisors is an integer number (20039706).

Almost surely, 2^100198515 is an apocalyptic number.

100198515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100198515 is a deficient number, since it is larger than the sum of its proper divisors (60119133).

100198515 is an equidigital number, since it uses as much as digits as its factorization.

100198515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679909.

The product of its (nonzero) digits is 1800, while the sum is 30.

The square root of 100198515 is about 10009.9208288577. The cubic root of 100198515 is about 464.4658220135.

The spelling of 100198515 in words is "one hundred million, one hundred ninety-eight thousand, five hundred fifteen".