1052781048503 has 4 divisors (see below), whose sum is σ = 1052792530848. Its totient is φ = 1052769566160.

The previous prime is 1052781048499. The next prime is 1052781048521. The reversal of 1052781048503 is 3058401872501.

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 1052781048503 - 2² = 1052781048499 is a prime.

It is a super-2 number, since 2×1052781048503² (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 (1052781048103) 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, 5602526 + ... + 5787387.

It is an arithmetic number, because the mean of its divisors is an integer number (263198132712).

Almost surely, 2^{1052781048503} is an apocalyptic number.

1052781048503 is a deficient number, since it is larger than the sum of its proper divisors (11482345).

1052781048503 is an equidigital number, since it uses as much as digits as its factorization.

1052781048503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482344.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 1052781048503 in words is "one trillion, fifty-two billion, seven hundred eighty-one million, forty-eight thousand, five hundred three".