100104421515 has 32 divisors (see below), whose sum is σ = 183344878080. Its totient is φ = 45687823104.

The previous prime is 100104421499. The next prime is 100104421567. The reversal of 100104421515 is 515124401001.

It is not a de Polignac number, because 100104421515 - 2⁴ = 100104421499 is a prime.

It is a super-3 number, since 3×100104421515³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707805 + ... + 837374.

It is an arithmetic number, because the mean of its divisors is an integer number (5729527440).

Almost surely, 2^100104421515 is an apocalyptic number.

100104421515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100104421515 is a deficient number, since it is larger than the sum of its proper divisors (83240456565).

100104421515 is a wasteful number, since it uses less digits than its factorization.

100104421515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545811.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 100104421515 its reverse (515124401001), we get a palindrome (615228822516).

The spelling of 100104421515 in words is "one hundred billion, one hundred four million, four hundred twenty-one thousand, five hundred fifteen".