100011015 has 48 divisors (see below), whose sum is σ = 194830272. Its totient is φ = 47089152.

The previous prime is 100010993. The next prime is 100011029. The reversal of 100011015 is 510110001.

It is not a de Polignac number, because 100011015 - 2⁶ = 100010951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100010988 and 100011006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9739 + ... + 17171.

It is an arithmetic number, because the mean of its divisors is an integer number (4058964).

Almost surely, 2^100011015 is an apocalyptic number.

100011015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100011015 is a deficient number, since it is larger than the sum of its proper divisors (94819257).

100011015 is a wasteful number, since it uses less digits than its factorization.

100011015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480 (or 7477 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 100011015 is about 10000.5507348346. The cubic root of 100011015 is about 464.1759251026.

Adding to 100011015 its reverse (510110001), we get a palindrome (610121016).

The spelling of 100011015 in words is "one hundred million, eleven thousand, fifteen".