265814016001 has 4 divisors (see below), whose sum is σ = 265815394900. Its totient is φ = 265812637104.

The previous prime is 265814015989. The next prime is 265814016031. The reversal of 265814016001 is 100610418562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207433791601 + 58380224400 = 455449^2 + 241620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265814016001 is a prime.

It is a super-2 number, since 2×265814016001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265814016031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341886 + ... + 805303.

It is an arithmetic number, because the mean of its divisors is an integer number (66453848725).

It is a Proth number, since it is equal to 63375 ⋅ 2²² + 1 and 63375 < 2²².

Almost surely, 2^265814016001 is an apocalyptic number.

It is an amenable number.

265814016001 is a deficient number, since it is larger than the sum of its proper divisors (1378899).

265814016001 is a wasteful number, since it uses less digits than its factorization.

265814016001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378898.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 265814016001 in words is "two hundred sixty-five billion, eight hundred fourteen million, sixteen thousand, one".