1065525461543 has 8 divisors (see below), whose sum is σ = 1072102523856. Its totient is φ = 1058955984000.

The previous prime is 1065525461461. The next prime is 1065525461599. The reversal of 1065525461543 is 3451645255601.

It is a happy number.

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 1065525461543 - 2¹⁸ = 1065525199399 is a prime.

It is a super-2 number, since 2×1065525461543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065525463543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614233 + ... + 2176418.

It is an arithmetic number, because the mean of its divisors is an integer number (134012815482).

Almost surely, 2^{1065525461543} is an apocalyptic number.

1065525461543 is a deficient number, since it is larger than the sum of its proper divisors (6577062313).

1065525461543 is a wasteful number, since it uses less digits than its factorization.

1065525461543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792385.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 1065525461543 in words is "one trillion, sixty-five billion, five hundred twenty-five million, four hundred sixty-one thousand, five hundred forty-three".