1073747743525 has 12 divisors (see below), whose sum is σ = 1353274207204. Its totient is φ = 844916256000.

The previous prime is 1073747743493. The next prime is 1073747743543. The reversal of 1073747743525 is 5253477473701.

It is a happy number.

It is a Cunningham number, because it is equal to 1036218²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 11236212001 + 1062511531524 = 106001^2 + 1030782^2 .

It is not a de Polignac number, because 1073747743525 - 2⁵ = 1073747743493 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 352046916 + ... + 352049965.

Almost surely, 2^{1073747743525} is an apocalyptic number.

It is an amenable number.

1073747743525 is a deficient number, since it is larger than the sum of its proper divisors (279526463679).

1073747743525 is an equidigital number, since it uses as much as digits as its factorization.

1073747743525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704096952 (or 704096947 counting only the distinct ones).

The product of its (nonzero) digits is 17287200, while the sum is 55.

The spelling of 1073747743525 in words is "one trillion, seventy-three billion, seven hundred forty-seven million, seven hundred forty-three thousand, five hundred twenty-five".