1745575121992 has 32 divisors (see below), whose sum is σ = 3525005647800. Its totient is φ = 805584536064.

The previous prime is 1745575121981. The next prime is 1745575121999. The reversal of 1745575121992 is 2991215755471.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 695265798276 + 1050309323716 = 833826^2 + 1024846^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1745575121999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614238 + ... + 1966834.

Almost surely, 2^{1745575121992} is an apocalyptic number.

It is an amenable number.

1745575121992 is an abundant number, since it is smaller than the sum of its proper divisors (1779430525808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1745575121992 is a wasteful number, since it uses less digits than its factorization.

1745575121992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365025 (or 1365021 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 58.

The spelling of 1745575121992 in words is "one trillion, seven hundred forty-five billion, five hundred seventy-five million, one hundred twenty-one thousand, nine hundred ninety-two".