100715115 has 16 divisors (see below), whose sum is σ = 166701600. Its totient is φ = 51862272.

The previous prime is 100715101. The next prime is 100715117. The reversal of 100715115 is 511517001.

It is a happy number.

It is not a de Polignac number, because 100715115 - 2¹⁶ = 100649579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100715091 and 100715100.

It is not an unprimeable number, because it can be changed into a prime (100715117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115330 + ... + 116199.

It is an arithmetic number, because the mean of its divisors is an integer number (10418850).

Almost surely, 2^100715115 is an apocalyptic number.

100715115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100715115 is a deficient number, since it is larger than the sum of its proper divisors (65986485).

100715115 is a wasteful number, since it uses less digits than its factorization.

100715115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231566.

The product of its (nonzero) digits is 175, while the sum is 21.

The square root of 100715115 is about 10035.6920538645. The cubic root of 100715115 is about 465.2626796563.

The spelling of 100715115 in words is "one hundred million, seven hundred fifteen thousand, one hundred fifteen".