1225043133445 has 8 divisors (see below), whose sum is σ = 1477748367360. Its totient is φ = 974903435280.

The previous prime is 1225043133439. The next prime is 1225043133499. The reversal of 1225043133445 is 5443313405221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1225043133445 - 2¹⁷ = 1225043002373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641382885 + ... + 641384794.

It is an arithmetic number, because the mean of its divisors is an integer number (184718545920).

Almost surely, 2^{1225043133445} is an apocalyptic number.

It is an amenable number.

1225043133445 is a deficient number, since it is larger than the sum of its proper divisors (252705233915).

1225043133445 is a wasteful number, since it uses less digits than its factorization.

1225043133445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282767875.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1225043133445 its reverse (5443313405221), we get a palindrome (6668356538666).

The spelling of 1225043133445 in words is "one trillion, two hundred twenty-five billion, forty-three million, one hundred thirty-three thousand, four hundred forty-five".