265140126113563 has 16 divisors (see below), whose sum is σ = 265679926133760. Its totient is φ = 264600946209600.

The previous prime is 265140126113561. The next prime is 265140126113573. The reversal of 265140126113563 is 365311621041562.

It is a cyclic number.

It is not a de Polignac number, because 265140126113563 - 2¹ = 265140126113561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265140126113561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8037699156 + ... + 8037732142.

It is an arithmetic number, because the mean of its divisors is an integer number (16604995383360).

Almost surely, 2^{265140126113563} is an apocalyptic number.

265140126113563 is a deficient number, since it is larger than the sum of its proper divisors (539800020197).

265140126113563 is a wasteful number, since it uses less digits than its factorization.

265140126113563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41898.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 265140126113563 in words is "two hundred sixty-five trillion, one hundred forty billion, one hundred twenty-six million, one hundred thirteen thousand, five hundred sixty-three".