265510481068 has 24 divisors (see below), whose sum is σ = 548150672384. Its totient is φ = 110119554000.

The previous prime is 265510481059. The next prime is 265510481069. The reversal of 265510481068 is 860184015562.

It is not an unprimeable number, because it can be changed into a prime (265510481069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152942958 + ... + 152944693.

Almost surely, 2^265510481068 is an apocalyptic number.

265510481068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

265510481068 is an abundant number, since it is smaller than the sum of its proper divisors (282640191316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265510481068 is a wasteful number, since it uses less digits than its factorization.

265510481068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305887693 (or 305887691 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 265510481068 in words is "two hundred sixty-five billion, five hundred ten million, four hundred eighty-one thousand, sixty-eight".