10265539761 has 9 divisors (see below), whose sum is σ = 14828440939. Its totient is φ = 6843490536.

The previous prime is 10265539751. The next prime is 10265539763. The reversal of 10265539761 is 16793556201.

The square root of 10265539761 is 101319.

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

10265539761 is a `hidden beast` number, since 1 + 0 + 2 + 6 + 553 + 97 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6123845025 + 4141694736 = 78255^2 + 64356^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 10265539761 - 2⁵ = 10265539729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10265539763) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 287071 + ... + 320843.

Almost surely, 2^10265539761 is an apocalyptic number.

10265539761 is the 101319-th square number.

10265539761 is the 50660-th centered octagonal number.

It is an amenable number.

10265539761 is a deficient number, since it is larger than the sum of its proper divisors (4562901178).

10265539761 is an frugal number, since it uses more digits than its factorization.

10265539761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67552 (or 33776 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 10265539761 in words is "ten billion, two hundred sixty-five million, five hundred thirty-nine thousand, seven hundred sixty-one".