265500805048 has 8 divisors (see below), whose sum is σ = 497814009480. Its totient is φ = 132750402520.

The previous prime is 265500805013. The next prime is 265500805081. The reversal of 265500805048 is 840508005562.

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

It is a super-2 number, since 2×265500805048² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265500804995 and 265500805013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16593800308 + ... + 16593800323.

It is an arithmetic number, because the mean of its divisors is an integer number (62226751185).

Almost surely, 2^265500805048 is an apocalyptic number.

It is an amenable number.

265500805048 is a deficient number, since it is larger than the sum of its proper divisors (232313204432).

265500805048 is a wasteful number, since it uses less digits than its factorization.

265500805048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33187600637 (or 33187600633 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 265500805048 in words is "two hundred sixty-five billion, five hundred million, eight hundred five thousand, forty-eight".