10261255365 has 20 divisors (see below), whose sum is σ = 18394251084. Its totient is φ = 5472669312.

The previous prime is 10261255357. The next prime is 10261255469. The reversal of 10261255365 is 56355216201.

10261255365 is a `hidden beast` number, since 1 + 0 + 2 + 612 + 5 + 5 + 36 + 5 = 666.

10261255365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1896689601 + 8364565764 = 43551^2 + 91458^2 .

It is not a de Polignac number, because 10261255365 - 2³ = 10261255357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12667812 + ... + 12668621.

Almost surely, 2^10261255365 is an apocalyptic number.

10261255365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10261255365 is a deficient number, since it is larger than the sum of its proper divisors (8132995719).

10261255365 is an equidigital number, since it uses as much as digits as its factorization.

10261255365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25336450 (or 25336441 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 10261255365 in words is "ten billion, two hundred sixty-one million, two hundred fifty-five thousand, three hundred sixty-five".