1073745642025 has 12 divisors (see below), whose sum is σ = 1521650967232. Its totient is φ = 736282725840.

The previous prime is 1073745642007. The next prime is 1073745642029. The reversal of 1073745642025 is 5202465473701.

It is not a de Polignac number, because 1073745642025 - 2⁵ = 1073745641993 is a prime.

It is a super-2 number, since 2×1073745642025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073745642029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3067844517 + ... + 3067844866.

Almost surely, 2^{1073745642025} is an apocalyptic number.

It is an amenable number.

1073745642025 is a deficient number, since it is larger than the sum of its proper divisors (447905325207).

1073745642025 is an equidigital number, since it uses as much as digits as its factorization.

1073745642025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135689400 (or 6135689395 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 1073745642025 in words is "one trillion, seventy-three billion, seven hundred forty-five million, six hundred forty-two thousand, twenty-five".