10205515027 has 4 divisors (see below), whose sum is σ = 10205722656. Its totient is φ = 10205307400.

The previous prime is 10205515009. The next prime is 10205515043. The reversal of 10205515027 is 72051550201.

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 10205515027 - 2¹¹ = 10205512979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10205514986 and 10205515004.

It is not an unprimeable number, because it can be changed into a prime (10205515097) 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, 16038 + ... + 143764.

It is an arithmetic number, because the mean of its divisors is an integer number (2551430664).

Almost surely, 2^10205515027 is an apocalyptic number.

10205515027 is a deficient number, since it is larger than the sum of its proper divisors (207629).

10205515027 is an equidigital number, since it uses as much as digits as its factorization.

10205515027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207628.

The product of its (nonzero) digits is 3500, while the sum is 28.

The spelling of 10205515027 in words is "ten billion, two hundred five million, five hundred fifteen thousand, twenty-seven".