265700551368 has 256 divisors, whose sum is σ = 802086912000. Its totient is φ = 73239586560.

The previous prime is 265700551351. The next prime is 265700551397. The reversal of 265700551368 is 863155007562.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 93654046 + ... + 93656882.

It is an arithmetic number, because the mean of its divisors is an integer number (3133152000).

Almost surely, 2^265700551368 is an apocalyptic number.

265700551368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265700551368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401043456000).

265700551368 is an abundant number, since it is smaller than the sum of its proper divisors (536386360632).

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

265700551368 is a wasteful number, since it uses less digits than its factorization.

265700551368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265 (or 3247 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 265700551368 in words is "two hundred sixty-five billion, seven hundred million, five hundred fifty-one thousand, three hundred sixty-eight".