265541425226216 has 8 divisors (see below), whose sum is σ = 497890172299170. Its totient is φ = 132770712613104.

The previous prime is 265541425226123. The next prime is 265541425226257. The reversal of 265541425226216 is 612622524145562.

It can be written as a sum of positive squares in only one way, i.e., 144278294328100 + 121263130898116 = 12011590^2 + 11011954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×265541425226216² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16596339076631 + ... + 16596339076646.

Almost surely, 2^{265541425226216} is an apocalyptic number.

It is an amenable number.

265541425226216 is a deficient number, since it is larger than the sum of its proper divisors (232348747072954).

265541425226216 is a wasteful number, since it uses less digits than its factorization.

265541425226216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33192678153283 (or 33192678153279 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 53.

The spelling of 265541425226216 in words is "two hundred sixty-five trillion, five hundred forty-one billion, four hundred twenty-five million, two hundred twenty-six thousand, two hundred sixteen".