1071525605443 has 4 divisors (see below), whose sum is σ = 1127921689960. Its totient is φ = 1015129520928.

The previous prime is 1071525605417. The next prime is 1071525605459. The reversal of 1071525605443 is 3445065251701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1071525605443 - 2³³ = 1062935670851 is a prime.

It is a super-2 number, since 2×1071525605443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1071525605443.

It is not an unprimeable number, because it can be changed into a prime (1071525605543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28198042230 + ... + 28198042267.

It is an arithmetic number, because the mean of its divisors is an integer number (281980422490).

Almost surely, 2^{1071525605443} is an apocalyptic number.

1071525605443 is a deficient number, since it is larger than the sum of its proper divisors (56396084517).

1071525605443 is an equidigital number, since it uses as much as digits as its factorization.

1071525605443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56396084516.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 1071525605443 in words is "one trillion, seventy-one billion, five hundred twenty-five million, six hundred five thousand, four hundred forty-three".