265140256555316 has 6 divisors (see below), whose sum is σ = 463995448971810. Its totient is φ = 132570128277656.

The previous prime is 265140256555313. The next prime is 265140256555331. The reversal of 265140256555316 is 613555652041562.

It can be written as a sum of positive squares in only one way, i.e., 263140436332816 + 1999820222500 = 16221604^2 + 1414150^2 .

It is a super-2 number, since 2×265140256555316² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265140256555313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33142532069411 + ... + 33142532069418.

It is an arithmetic number, because the mean of its divisors is an integer number (77332574828635).

Almost surely, 2^{265140256555316} is an apocalyptic number.

It is an amenable number.

265140256555316 is a deficient number, since it is larger than the sum of its proper divisors (198855192416494).

265140256555316 is a wasteful number, since it uses less digits than its factorization.

265140256555316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66285064138833 (or 66285064138831 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 56.

The spelling of 265140256555316 in words is "two hundred sixty-five trillion, one hundred forty billion, two hundred fifty-six million, five hundred fifty-five thousand, three hundred sixteen".