2125555546143 has 4 divisors (see below), whose sum is σ = 2834074061528. Its totient is φ = 1417037030760.

The previous prime is 2125555546123. The next prime is 2125555546187. The reversal of 2125555546143 is 3416455555212.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2125555546143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125555546092 and 2125555546101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125555546123) 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, 354259257688 + ... + 354259257693.

It is an arithmetic number, because the mean of its divisors is an integer number (708518515382).

Almost surely, 2^{2125555546143} is an apocalyptic number.

2125555546143 is a deficient number, since it is larger than the sum of its proper divisors (708518515385).

2125555546143 is an equidigital number, since it uses as much as digits as its factorization.

2125555546143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708518515384.

The product of its digits is 3600000, while the sum is 48.

The spelling of 2125555546143 in words is "two trillion, one hundred twenty-five billion, five hundred fifty-five million, five hundred forty-six thousand, one hundred forty-three".