15852121703243 has 8 divisors (see below), whose sum is σ = 18116735378688. Its totient is φ = 13587514242984.

The previous prime is 15852121703239. The next prime is 15852121703261. The reversal of 15852121703243 is 34230712125851.

15852121703243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15852121703243 - 2² = 15852121703239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15852121703194 and 15852121703203.

It is not an unprimeable number, because it can be changed into a prime (15852121703263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7197980 + ... + 9138662.

It is an arithmetic number, because the mean of its divisors is an integer number (2264591922336).

Almost surely, 2^{15852121703243} is an apocalyptic number.

15852121703243 is a deficient number, since it is larger than the sum of its proper divisors (2264613675445).

15852121703243 is a wasteful number, since it uses less digits than its factorization.

15852121703243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107593.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 15852121703243 in words is "fifteen trillion, eight hundred fifty-two billion, one hundred twenty-one million, seven hundred three thousand, two hundred forty-three".