1045543520641 has 8 divisors (see below), whose sum is σ = 1050658321664. Its totient is φ = 1040432526000.

The previous prime is 1045543520599. The next prime is 1045543520683. The reversal of 1045543520641 is 1460253455401.

It is an interprime number because it is at equal distance from previous prime (1045543520599) and next prime (1045543520683).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1045543520641 - 2⁷ = 1045543520513 is a prime.

It is a super-2 number, since 2×1045543520641² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045543520594 and 1045543520603.

It is not an unprimeable number, because it can be changed into a prime (1045540520641) 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, 400110 + ... + 1500391.

It is an arithmetic number, because the mean of its divisors is an integer number (131332290208).

Almost surely, 2^{1045543520641} is an apocalyptic number.

It is an amenable number.

1045543520641 is a deficient number, since it is larger than the sum of its proper divisors (5114801023).

1045543520641 is a wasteful number, since it uses less digits than its factorization.

1045543520641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903191.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 1045543520641 in words is "one trillion, forty-five billion, five hundred forty-three million, five hundred twenty thousand, six hundred forty-one".