115212534410115 has 24 divisors (see below), whose sum is σ = 199702025172000. Its totient is φ = 61446593061504.

The previous prime is 115212534410111. The next prime is 115212534410119. The reversal of 115212534410115 is 511014435212511.

It is a happy number.

115212534410115 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 1 + 2 + 534 + 4 + 1 + 0 + 115 = 666.

It is an interprime number because it is at equal distance from previous prime (115212534410111) and next prime (115212534410119).

It is not a de Polignac number, because 115212534410115 - 2² = 115212534410111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115212534410115.

It is not an unprimeable number, because it can be changed into a prime (115212534410111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37316554 + ... + 40285856.

It is an arithmetic number, because the mean of its divisors is an integer number (8320917715500).

Almost surely, 2^{115212534410115} is an apocalyptic number.

115212534410115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115212534410115 is a deficient number, since it is larger than the sum of its proper divisors (84489490761885).

115212534410115 is a wasteful number, since it uses less digits than its factorization.

115212534410115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831563 (or 3831560 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

Adding to 115212534410115 its reverse (511014435212511), we get a palindrome (626226969622626).

The spelling of 115212534410115 in words is "one hundred fifteen trillion, two hundred twelve billion, five hundred thirty-four million, four hundred ten thousand, one hundred fifteen".