100415220515 has 8 divisors (see below), whose sum is σ = 120619863168. Its totient is φ = 80251110720.

The previous prime is 100415220511. The next prime is 100415220517. The reversal of 100415220515 is 515022514001.

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

It is not a de Polignac number, because 100415220515 - 2² = 100415220511 is a prime.

It is a super-2 number, since 2×100415220515² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100415220511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10127762 + ... + 10137671.

It is an arithmetic number, because the mean of its divisors is an integer number (15077482896).

Almost surely, 2^100415220515 is an apocalyptic number.

100415220515 is a deficient number, since it is larger than the sum of its proper divisors (20204642653).

100415220515 is an equidigital number, since it uses as much as digits as its factorization.

100415220515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20266429.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 100415220515 its reverse (515022514001), we get a palindrome (615437734516).

The spelling of 100415220515 in words is "one hundred billion, four hundred fifteen million, two hundred twenty thousand, five hundred fifteen".