1225662660575 has 24 divisors (see below), whose sum is σ = 1573573072080. Its totient is φ = 945909619200.

The previous prime is 1225662660569. The next prime is 1225662660619. The reversal of 1225662660575 is 5750662665221.

It is not a de Polignac number, because 1225662660575 - 2²⁴ = 1225645883359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127127 + ... + 1570823.

It is an arithmetic number, because the mean of its divisors is an integer number (65565544670).

Almost surely, 2^{1225662660575} is an apocalyptic number.

1225662660575 is a deficient number, since it is larger than the sum of its proper divisors (347910411505).

1225662660575 is a wasteful number, since it uses less digits than its factorization.

1225662660575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444907 (or 1444902 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 1225662660575 in words is "one trillion, two hundred twenty-five billion, six hundred sixty-two million, six hundred sixty thousand, five hundred seventy-five".