1026308798761 has 9 divisors (see below), whose sum is σ = 1051993830693. Its totient is φ = 1001236354080.

The previous prime is 1026308798759. The next prime is 1026308798771. The reversal of 1026308798761 is 1678978036201.

The square root of 1026308798761 is 1013069.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 145451467161 + 880857331600 = 381381^2 + 938540^2 .

It is not a de Polignac number, because 1026308798761 - 2¹ = 1026308798759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1026308798696 and 1026308798705.

It is not an unprimeable number, because it can be changed into a prime (1026308798701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 41523475 + ... + 41548183.

Almost surely, 2^{1026308798761} is an apocalyptic number.

1026308798761 is the 1013069-th square number.

1026308798761 is the 506535-th centered octagonal number.

It is an amenable number.

1026308798761 is a deficient number, since it is larger than the sum of its proper divisors (25685031932).

1026308798761 is an frugal number, since it uses more digits than its factorization.

1026308798761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49500 (or 24750 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 1026308798761 in words is "one trillion, twenty-six billion, three hundred eight million, seven hundred ninety-eight thousand, seven hundred sixty-one".