1053166752443 has 4 divisors (see below), whose sum is σ = 1134179579568. Its totient is φ = 972153925320.

The previous prime is 1053166752431. The next prime is 1053166752461. The reversal of 1053166752443 is 3442576613501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053166752443 is a prime.

It is a super-2 number, since 2×1053166752443² (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 (1053166752943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40506413543 + ... + 40506413568.

It is an arithmetic number, because the mean of its divisors is an integer number (283544894892).

Almost surely, 2^{1053166752443} is an apocalyptic number.

1053166752443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1053166752443 is a deficient number, since it is larger than the sum of its proper divisors (81012827125).

1053166752443 is an equidigital number, since it uses as much as digits as its factorization.

1053166752443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81012827124.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 1053166752443 in words is "one trillion, fifty-three billion, one hundred sixty-six million, seven hundred fifty-two thousand, four hundred forty-three".