115530115543215 has 16 divisors (see below), whose sum is σ = 185136559587936. Its totient is φ = 61519936716800.

The previous prime is 115530115543201. The next prime is 115530115543223. The reversal of 115530115543215 is 512345511035511.

It is not a de Polignac number, because 115530115543215 - 2⁶ = 115530115543151 is a prime.

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, 6007796706 + ... + 6007815935.

It is an arithmetic number, because the mean of its divisors is an integer number (11571034974246).

Almost surely, 2^{115530115543215} is an apocalyptic number.

115530115543215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115530115543215 is a deficient number, since it is larger than the sum of its proper divisors (69606444044721).

115530115543215 is a wasteful number, since it uses less digits than its factorization.

115530115543215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015613290.

The product of its (nonzero) digits is 225000, while the sum is 42.

Adding to 115530115543215 its reverse (512345511035511), we get a palindrome (627875626578726).

The spelling of 115530115543215 in words is "one hundred fifteen trillion, five hundred thirty billion, one hundred fifteen million, five hundred forty-three thousand, two hundred fifteen".