10503543243999 has 16 divisors (see below), whose sum is σ = 15087391636352. Its totient is φ = 6461412851808.

The previous prime is 10503543243967. The next prime is 10503543244081. The reversal of 10503543243999 is 99934234530501.

It is not a de Polignac number, because 10503543243999 - 2⁵ = 10503543243967 is a prime.

It is a super-2 number, since 2×10503543243999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503543243299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47932357 + ... + 48150990.

It is an arithmetic number, because the mean of its divisors is an integer number (942961977272).

Almost surely, 2^{10503543243999} is an apocalyptic number.

10503543243999 is a deficient number, since it is larger than the sum of its proper divisors (4583848392353).

10503543243999 is a wasteful number, since it uses less digits than its factorization.

10503543243999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96086166.

The product of its (nonzero) digits is 15746400, while the sum is 57.

The spelling of 10503543243999 in words is "ten trillion, five hundred three billion, five hundred forty-three million, two hundred forty-three thousand, nine hundred ninety-nine".