265423666112 has 28 divisors (see below), whose sum is σ = 574581915096. Its totient is φ = 120647120640.

The previous prime is 265423666111. The next prime is 265423666139. The reversal of 265423666112 is 211666324562.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265423666111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188510423 + ... + 188511830.

It is an arithmetic number, because the mean of its divisors is an integer number (20520782682).

Almost surely, 2^265423666112 is an apocalyptic number.

265423666112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

265423666112 is an abundant number, since it is smaller than the sum of its proper divisors (309158248984).

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

265423666112 is a wasteful number, since it uses less digits than its factorization.

265423666112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377022276 (or 377022266 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The spelling of 265423666112 in words is "two hundred sixty-five billion, four hundred twenty-three million, six hundred sixty-six thousand, one hundred twelve".