12550265405 has 8 divisors (see below), whose sum is σ = 15063190272. Its totient is φ = 10038297808.

The previous prime is 12550265393. The next prime is 12550265437. The reversal of 12550265405 is 50456205521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12550265405 - 2¹⁸ = 12550003261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210149 + ... + 263178.

It is an arithmetic number, because the mean of its divisors is an integer number (1882898784).

Almost surely, 2^12550265405 is an apocalyptic number.

It is an amenable number.

12550265405 is a deficient number, since it is larger than the sum of its proper divisors (2512924867).

12550265405 is an equidigital number, since it uses as much as digits as its factorization.

12550265405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478635.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 12550265405 in words is "twelve billion, five hundred fifty million, two hundred sixty-five thousand, four hundred five".