115544402342215 has 64 divisors (see below), whose sum is σ = 173760215040000. Its totient is φ = 71655861271680.

The previous prime is 115544402342207. The next prime is 115544402342227. The reversal of 115544402342215 is 512243204445511.

It is not a de Polignac number, because 115544402342215 - 2³ = 115544402342207 is a prime.

It is a super-2 number, since 2×115544402342215² (a number of 29 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 63 ways as a sum of consecutive naturals, for example, 93147136 + ... + 94379434.

It is an arithmetic number, because the mean of its divisors is an integer number (2715003360000).

Almost surely, 2^{115544402342215} is an apocalyptic number.

115544402342215 is a deficient number, since it is larger than the sum of its proper divisors (58215812697785).

115544402342215 is a wasteful number, since it uses less digits than its factorization.

115544402342215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233580.

The product of its (nonzero) digits is 768000, while the sum is 43.

Adding to 115544402342215 its reverse (512243204445511), we get a palindrome (627787606787726).

The spelling of 115544402342215 in words is "one hundred fifteen trillion, five hundred forty-four billion, four hundred two million, three hundred forty-two thousand, two hundred fifteen".