68535464030511 has 32 divisors (see below), whose sum is σ = 93713789030400. Its totient is φ = 44526237073920.

The previous prime is 68535464030503. The next prime is 68535464030549. The reversal of 68535464030511 is 11503046453586.

It is a happy number.

It is not a de Polignac number, because 68535464030511 - 2³ = 68535464030503 is a prime.

It is a super-2 number, since 2×68535464030511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68535464030611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403257010 + ... + 403426928.

It is an arithmetic number, because the mean of its divisors is an integer number (2928555907200).

Almost surely, 2^{68535464030511} is an apocalyptic number.

68535464030511 is a deficient number, since it is larger than the sum of its proper divisors (25178324999889).

68535464030511 is a wasteful number, since it uses less digits than its factorization.

68535464030511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173599.

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 68535464030511 in words is "sixty-eight trillion, five hundred thirty-five billion, four hundred sixty-four million, thirty thousand, five hundred eleven".