265615041625 has 8 divisors (see below), whose sum is σ = 331487572104. Its totient is φ = 212492033200.

The previous prime is 265615041599. The next prime is 265615041631. The reversal of 265615041625 is 526140516562.

It can be written as a sum of positive squares in 4 ways, for example, as 8874205209 + 256740836416 = 94203^2 + 506696^2 .

It is not a de Polignac number, because 265615041625 - 2¹³ = 265615033433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062460042 + ... + 1062460291.

It is an arithmetic number, because the mean of its divisors is an integer number (41435946513).

Almost surely, 2^265615041625 is an apocalyptic number.

265615041625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265615041625 is a deficient number, since it is larger than the sum of its proper divisors (65872530479).

265615041625 is an equidigital number, since it uses as much as digits as its factorization.

265615041625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124920348 (or 2124920338 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 265615041625 in words is "two hundred sixty-five billion, six hundred fifteen million, forty-one thousand, six hundred twenty-five".