1053305310543 has 4 divisors (see below), whose sum is σ = 1404407080728. Its totient is φ = 702203540360.

The previous prime is 1053305310539. The next prime is 1053305310599. The reversal of 1053305310543 is 3450135033501.

It is a happy number.

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 1053305310543 - 2² = 1053305310539 is a prime.

It is a super-2 number, since 2×1053305310543² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053305310143) 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, 175550885088 + ... + 175550885093.

It is an arithmetic number, because the mean of its divisors is an integer number (351101770182).

Almost surely, 2^{1053305310543} is an apocalyptic number.

1053305310543 is a deficient number, since it is larger than the sum of its proper divisors (351101770185).

1053305310543 is an equidigital number, since it uses as much as digits as its factorization.

1053305310543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351101770184.

The product of its (nonzero) digits is 40500, while the sum is 33.

The spelling of 1053305310543 in words is "one trillion, fifty-three billion, three hundred five million, three hundred ten thousand, five hundred forty-three".