105115140015 has 16 divisors (see below), whose sum is σ = 168207733248. Its totient is φ = 56053571616.

The previous prime is 105115140007. The next prime is 105115140049. The reversal of 105115140015 is 510041511501.

It is not a de Polignac number, because 105115140015 - 2³ = 105115140007 is a prime.

It is a super-2 number, since 2×105115140015² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 378067 + ... + 594276.

It is an arithmetic number, because the mean of its divisors is an integer number (10512983328).

Almost surely, 2^105115140015 is an apocalyptic number.

105115140015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105115140015 is a deficient number, since it is larger than the sum of its proper divisors (63092593233).

105115140015 is an equidigital number, since it uses as much as digits as its factorization.

105115140015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979558.

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 105115140015 its reverse (510041511501), we get a palindrome (615156651516).

The spelling of 105115140015 in words is "one hundred five billion, one hundred fifteen million, one hundred forty thousand, fifteen".