2143486612125 has 96 divisors (see below), whose sum is σ = 3977494676064. Its totient is φ = 1110057062400.

The previous prime is 2143486612103. The next prime is 2143486612171. The reversal of 2143486612125 is 5212166843412.

2143486612125 is a `hidden beast` number, since 2 + 1 + 4 + 3 + 4 + 8 + 6 + 612 + 1 + 25 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 1839199781241 + 304286830884 = 1356171^2 + 551622^2 .

It is not a de Polignac number, because 2143486612125 - 2¹⁵ = 2143486579357 is a prime.

It is a super-2 number, since 2×2143486612125² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5598319 + ... + 5968931.

It is an arithmetic number, because the mean of its divisors is an integer number (41432236209).

Almost surely, 2^{2143486612125} is an apocalyptic number.

2143486612125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2143486612125 is a deficient number, since it is larger than the sum of its proper divisors (1834008063939).

2143486612125 is a wasteful number, since it uses less digits than its factorization.

2143486612125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370784 (or 370771 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 2143486612125 in words is "two trillion, one hundred forty-three billion, four hundred eighty-six million, six hundred twelve thousand, one hundred twenty-five".