68311598355 has 384 divisors, whose sum is σ = 172952672256. Its totient is φ = 23987404800.

The previous prime is 68311598351. The next prime is 68311598363. The reversal of 68311598355 is 55389511386.

68311598355 is a `hidden beast` number, since 6 + 8 + 3 + 11 + 598 + 35 + 5 = 666.

It is not a de Polignac number, because 68311598355 - 2² = 68311598351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68311598351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 28332100 + ... + 28334510.

It is an arithmetic number, because the mean of its divisors is an integer number (450397584).

Almost surely, 2^68311598355 is an apocalyptic number.

68311598355 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68311598355 is an abundant number, since it is smaller than the sum of its proper divisors (104641073901).

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

68311598355 is a wasteful number, since it uses less digits than its factorization.

68311598355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507 (or 2504 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

It can be divided in two parts, 68311 and 598355, that added together give a palindrome (666666).

The spelling of 68311598355 in words is "sixty-eight billion, three hundred eleven million, five hundred ninety-eight thousand, three hundred fifty-five".