115200015105 has 32 divisors (see below), whose sum is σ = 211328851968. Its totient is φ = 52493515200.

The previous prime is 115200015101. The next prime is 115200015121. The reversal of 115200015105 is 501510002511.

It is not a de Polignac number, because 115200015105 - 2² = 115200015101 is a prime.

It is a super-2 number, since 2×115200015105² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (115200015101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1731241 + ... + 1796550.

It is an arithmetic number, because the mean of its divisors is an integer number (6604026624).

Almost surely, 2^115200015105 is an apocalyptic number.

115200015105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115200015105 is a deficient number, since it is larger than the sum of its proper divisors (96128836863).

115200015105 is a wasteful number, since it uses less digits than its factorization.

115200015105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528117.

The product of its (nonzero) digits is 250, while the sum is 21.

Adding to 115200015105 its reverse (501510002511), we get a palindrome (616710017616).

The spelling of 115200015105 in words is "one hundred fifteen billion, two hundred million, fifteen thousand, one hundred five".