100000315515 has 16 divisors (see below), whose sum is σ = 166957049088. Its totient is φ = 51014653536.

The previous prime is 100000315507. The next prime is 100000315531. The reversal of 100000315515 is 515513000001.

It is not a de Polignac number, because 100000315515 - 2³ = 100000315507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100000315491 and 100000315500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144927649 + ... + 144928338.

It is an arithmetic number, because the mean of its divisors is an integer number (10434815568).

Almost surely, 2^100000315515 is an apocalyptic number.

100000315515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100000315515 is a deficient number, since it is larger than the sum of its proper divisors (66956733573).

100000315515 is a wasteful number, since it uses less digits than its factorization.

100000315515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289856018.

The product of its (nonzero) digits is 375, while the sum is 21.

Adding to 100000315515 its reverse (515513000001), we get a palindrome (615513315516).

The spelling of 100000315515 in words is "one hundred billion, three hundred fifteen thousand, five hundred fifteen".