63268365511 has 4 divisors (see below), whose sum is σ = 68135162872. Its totient is φ = 58401568152.

The previous prime is 63268365497. The next prime is 63268365529. The reversal of 63268365511 is 11556386236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63268365511 - 2²⁹ = 62731494599 is a prime.

It is a super-2 number, since 2×63268365511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63268365211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433398661 + ... + 2433398686.

It is an arithmetic number, because the mean of its divisors is an integer number (17033790718).

Almost surely, 2^63268365511 is an apocalyptic number.

63268365511 is a deficient number, since it is larger than the sum of its proper divisors (4866797361).

63268365511 is a wasteful number, since it uses less digits than its factorization.

63268365511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866797360.

The product of its digits is 777600, while the sum is 46.

The spelling of 63268365511 in words is "sixty-three billion, two hundred sixty-eight million, three hundred sixty-five thousand, five hundred eleven".