1035503056643 has 4 divisors (see below), whose sum is σ = 1129639698168. Its totient is φ = 941366415120.

The previous prime is 1035503056639. The next prime is 1035503056711. The reversal of 1035503056643 is 3466503055301.

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 1035503056643 - 2² = 1035503056639 is a prime.

It is a super-3 number, since 3×1035503056643³ (a number of 37 digits) contains 333 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 1035503056643.

It is not an unprimeable number, because it can be changed into a prime (1035503016643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47068320746 + ... + 47068320767.

It is an arithmetic number, because the mean of its divisors is an integer number (282409924542).

Almost surely, 2^{1035503056643} is an apocalyptic number.

1035503056643 is a deficient number, since it is larger than the sum of its proper divisors (94136641525).

1035503056643 is an equidigital number, since it uses as much as digits as its factorization.

1035503056643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94136641524.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 1035503056643 in words is "one trillion, thirty-five billion, five hundred three million, fifty-six thousand, six hundred forty-three".