125255071121143 has 4 divisors (see below), whose sum is σ = 130700943778608. Its totient is φ = 119809198463680.

The previous prime is 125255071121129. The next prime is 125255071121209. The reversal of 125255071121143 is 341121170552521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125255071121143 is a prime.

It is a super-2 number, since 2×125255071121143² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125255071121096 and 125255071121105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125255071121113) 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, 2722936328698 + ... + 2722936328743.

It is an arithmetic number, because the mean of its divisors is an integer number (32675235944652).

Almost surely, 2^{125255071121143} is an apocalyptic number.

125255071121143 is a deficient number, since it is larger than the sum of its proper divisors (5445872657465).

125255071121143 is an equidigital number, since it uses as much as digits as its factorization.

125255071121143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445872657464.

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 125255071121143 in words is "one hundred twenty-five trillion, two hundred fifty-five billion, seventy-one million, one hundred twenty-one thousand, one hundred forty-three".