15116664006121 has 8 divisors (see below), whose sum is σ = 15932243134080. Its totient is φ = 14303081401488.

The previous prime is 15116664006023. The next prime is 15116664006139. The reversal of 15116664006121 is 12160046661151.

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

It is a cyclic number.

It is not a de Polignac number, because 15116664006121 - 2⁹ = 15116664005609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15116614006121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499115281 + ... + 499145566.

It is an arithmetic number, because the mean of its divisors is an integer number (1991530391760).

Almost surely, 2^{15116664006121} is an apocalyptic number.

It is an amenable number.

15116664006121 is a deficient number, since it is larger than the sum of its proper divisors (815579127959).

15116664006121 is an equidigital number, since it uses as much as digits as its factorization.

15116664006121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998261663.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 15116664006121 in words is "fifteen trillion, one hundred sixteen billion, six hundred sixty-four million, six thousand, one hundred twenty-one".