15066171121 has 4 divisors (see below), whose sum is σ = 15066473472. Its totient is φ = 15065868772.

The previous prime is 15066171119. The next prime is 15066171157. The reversal of 15066171121 is 12117166051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15066171121 - 2¹ = 15066171119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15066171181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56785 + ... + 182638.

It is an arithmetic number, because the mean of its divisors is an integer number (3766618368).

Almost surely, 2^15066171121 is an apocalyptic number.

It is an amenable number.

15066171121 is a deficient number, since it is larger than the sum of its proper divisors (302351).

15066171121 is an equidigital number, since it uses as much as digits as its factorization.

15066171121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302350.

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 15066171121 in words is "fifteen billion, sixty-six million, one hundred seventy-one thousand, one hundred twenty-one".