681517114055 has 4 divisors (see below), whose sum is σ = 817820536872. Its totient is φ = 545213691240.

The previous prime is 681517114043. The next prime is 681517114097. The reversal of 681517114055 is 550411715186.

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

It is not a de Polignac number, because 681517114055 - 2²⁸ = 681248678599 is a prime.

It is a super-3 number, since 3×681517114055³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 681517113997 and 681517114015.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 68151711401 + ... + 68151711410.

It is an arithmetic number, because the mean of its divisors is an integer number (204455134218).

Almost surely, 2^681517114055 is an apocalyptic number.

681517114055 is a deficient number, since it is larger than the sum of its proper divisors (136303422817).

681517114055 is a wasteful number, since it uses less digits than its factorization.

681517114055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136303422816.

The product of its (nonzero) digits is 168000, while the sum is 44.

The spelling of 681517114055 in words is "six hundred eighty-one billion, five hundred seventeen million, one hundred fourteen thousand, fifty-five".