1250343240225 has 48 divisors (see below), whose sum is σ = 2166065303424. Its totient is φ = 635209344000.

The previous prime is 1250343240199. The next prime is 1250343240247. The reversal of 1250343240225 is 5220423430521.

It is not a de Polignac number, because 1250343240225 - 2⁹ = 1250343239713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1088086 + ... + 1919535.

It is an arithmetic number, because the mean of its divisors is an integer number (45126360488).

Almost surely, 2^{1250343240225} is an apocalyptic number.

1250343240225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1250343240225 is a deficient number, since it is larger than the sum of its proper divisors (915722063199).

1250343240225 is a wasteful number, since it uses less digits than its factorization.

1250343240225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007898 (or 3007893 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 1250343240225 its reverse (5220423430521), we get a palindrome (6470766670746).

The spelling of 1250343240225 in words is "one trillion, two hundred fifty billion, three hundred forty-three million, two hundred forty thousand, two hundred twenty-five".