2143345247225 has 96 divisors (see below), whose sum is σ = 3363731540736. Its totient is φ = 1318330598400.

The previous prime is 2143345247221. The next prime is 2143345247243. The reversal of 2143345247225 is 5227425433412.

It is not a de Polignac number, because 2143345247225 - 2² = 2143345247221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143345247221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68250227 + ... + 68281623.

It is an arithmetic number, because the mean of its divisors is an integer number (35038870216).

Almost surely, 2^{2143345247225} is an apocalyptic number.

2143345247225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2143345247225 is a deficient number, since it is larger than the sum of its proper divisors (1220386293511).

2143345247225 is a wasteful number, since it uses less digits than its factorization.

2143345247225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32275 (or 32270 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 44.

The spelling of 2143345247225 in words is "two trillion, one hundred forty-three billion, three hundred forty-five million, two hundred forty-seven thousand, two hundred twenty-five".