12115601110015 has 8 divisors (see below), whose sum is σ = 15657084511488. Its totient is φ = 8946905435040.

The previous prime is 12115601110003. The next prime is 12115601110031. The reversal of 12115601110015 is 51001110651121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12115601110015 - 2³³ = 12107011175423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93196931551 + ... + 93196931680.

It is an arithmetic number, because the mean of its divisors is an integer number (1957135563936).

Almost surely, 2^{12115601110015} is an apocalyptic number.

12115601110015 is a deficient number, since it is larger than the sum of its proper divisors (3541483401473).

12115601110015 is a wasteful number, since it uses less digits than its factorization.

12115601110015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186393863249.

The product of its (nonzero) digits is 300, while the sum is 25.

Adding to 12115601110015 its reverse (51001110651121), we get a palindrome (63116711761136).

The spelling of 12115601110015 in words is "twelve trillion, one hundred fifteen billion, six hundred one million, one hundred ten thousand, fifteen".