265220136043445 has 8 divisors (see below), whose sum is σ = 347197269002400. Its totient is φ = 192887371667920.

The previous prime is 265220136043439. The next prime is 265220136043459. The reversal of 265220136043445 is 544340631022562.

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

It is not a de Polignac number, because 265220136043445 - 2¹² = 265220136039349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265220136043445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411092145795 + ... + 2411092145904.

It is an arithmetic number, because the mean of its divisors is an integer number (43399658625300).

Almost surely, 2^{265220136043445} is an apocalyptic number.

It is an amenable number.

265220136043445 is a deficient number, since it is larger than the sum of its proper divisors (81977132958955).

265220136043445 is a wasteful number, since it uses less digits than its factorization.

265220136043445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822184291715.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 265220136043445 in words is "two hundred sixty-five trillion, two hundred twenty billion, one hundred thirty-six million, forty-three thousand, four hundred forty-five".