264888635551 has 8 divisors (see below), whose sum is σ = 265540518000. Its totient is φ = 264237238272.

The previous prime is 264888635509. The next prime is 264888635573. The reversal of 264888635551 is 155536888462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264888635551 - 2¹⁷ = 264888504479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264888635551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264888635591) 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 7 ways as a sum of consecutive naturals, for example, 984351 + ... + 1224223.

It is an arithmetic number, because the mean of its divisors is an integer number (33192564750).

Almost surely, 2^264888635551 is an apocalyptic number.

264888635551 is a deficient number, since it is larger than the sum of its proper divisors (651882449).

264888635551 is a wasteful number, since it uses less digits than its factorization.

264888635551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242585.

The product of its digits is 55296000, while the sum is 61.

The spelling of 264888635551 in words is "two hundred sixty-four billion, eight hundred eighty-eight million, six hundred thirty-five thousand, five hundred fifty-one".