1063050028781 has 4 divisors (see below), whose sum is σ = 1144823107932. Its totient is φ = 981276949632.

The previous prime is 1063050028751. The next prime is 1063050028811. The reversal of 1063050028781 is 1878200503601.

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

It is an interprime number because it is at equal distance from previous prime (1063050028751) and next prime (1063050028811).

It can be written as a sum of positive squares in 2 ways, for example, as 603210075556 + 459839953225 = 776666^2 + 678115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063050028781 - 2¹⁸ = 1063049766637 is a prime.

It is a super-2 number, since 2×1063050028781² (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 (1063050028751) 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, 40886539556 + ... + 40886539581.

It is an arithmetic number, because the mean of its divisors is an integer number (286205776983).

Almost surely, 2^{1063050028781} is an apocalyptic number.

It is an amenable number.

1063050028781 is a deficient number, since it is larger than the sum of its proper divisors (81773079151).

1063050028781 is an equidigital number, since it uses as much as digits as its factorization.

1063050028781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81773079150.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 1063050028781 in words is "one trillion, sixty-three billion, fifty million, twenty-eight thousand, seven hundred eighty-one".