10256115 has 16 divisors (see below), whose sum is σ = 16531200. Its totient is φ = 5429472.

The previous prime is 10256107. The next prime is 10256131. The reversal of 10256115 is 51165201.

It is not a de Polignac number, because 10256115 - 2³ = 10256107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10256091 and 10256100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375 + ... + 4544.

It is an arithmetic number, because the mean of its divisors is an integer number (1033200).

Almost surely, 2^10256115 is an apocalyptic number.

10256115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10256115 is a deficient number, since it is larger than the sum of its proper divisors (6275085).

10256115 is a wasteful number, since it uses less digits than its factorization.

10256115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 10256115 is about 3202.5169788777. The cubic root of 10256115 is about 217.2672632689.

It can be divided in two parts, 1025 and 6115, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 10256115 in words is "ten million, two hundred fifty-six thousand, one hundred fifteen".