1125642464506 has 24 divisors (see below), whose sum is σ = 2079668373876. Its totient is φ = 454040657280.

The previous prime is 1125642464477. The next prime is 1125642464543. The reversal of 1125642464506 is 6054642465211.

It can be written as a sum of positive squares in 2 ways, for example, as 1124882966025 + 759498481 = 1060605^2 + 27559^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337826205 + ... + 337829536.

Almost surely, 2^{1125642464506} is an apocalyptic number.

1125642464506 is a deficient number, since it is larger than the sum of its proper divisors (954025909370).

1125642464506 is a wasteful number, since it uses less digits than its factorization.

1125642464506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675655774 (or 675655767 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 1125642464506 in words is "one trillion, one hundred twenty-five billion, six hundred forty-two million, four hundred sixty-four thousand, five hundred six".