265240652341556 has 12 divisors (see below), whose sum is σ = 464171668928100. Its totient is φ = 132620175504960.

The previous prime is 265240652341547. The next prime is 265240652341591. The reversal of 265240652341556 is 655143256042562.

It is a happy number.

265240652341556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 157790428069156 + 107450224272400 = 12561466^2 + 10365820^2 .

It is a super-2 number, since 2×265240652341556² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33658031 + ... + 40784118.

It is an arithmetic number, because the mean of its divisors is an integer number (38680972410675).

Almost surely, 2^{265240652341556} is an apocalyptic number.

It is an amenable number.

265240652341556 is a deficient number, since it is larger than the sum of its proper divisors (198931016586544).

265240652341556 is a wasteful number, since it uses less digits than its factorization.

265240652341556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75332914 (or 75332912 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 56.

The spelling of 265240652341556 in words is "two hundred sixty-five trillion, two hundred forty billion, six hundred fifty-two million, three hundred forty-one thousand, five hundred fifty-six".