15543112020145 has 16 divisors (see below), whose sum is σ = 19363077581760. Its totient is φ = 11963291062464.

The previous prime is 15543112020127. The next prime is 15543112020179. The reversal of 15543112020145 is 54102021134551.

15543112020145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15543112020145 - 2⁷ = 15543112020017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15543112020145.

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, 189347439 + ... + 189429508.

It is an arithmetic number, because the mean of its divisors is an integer number (1210192348860).

Almost surely, 2^{15543112020145} is an apocalyptic number.

It is an amenable number.

15543112020145 is a deficient number, since it is larger than the sum of its proper divisors (3819965561615).

15543112020145 is a wasteful number, since it uses less digits than its factorization.

15543112020145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378777264.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 15543112020145 its reverse (54102021134551), we get a palindrome (69645133154696).

The spelling of 15543112020145 in words is "fifteen trillion, five hundred forty-three billion, one hundred twelve million, twenty thousand, one hundred forty-five".