68880528105 has 16 divisors (see below), whose sum is σ = 110560957440. Its totient is φ = 36618910848.

The previous prime is 68880528077. The next prime is 68880528131. The reversal of 68880528105 is 50182508886.

It is not a de Polignac number, because 68880528105 - 2²⁷ = 68746310377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7330825 + ... + 7340214.

It is an arithmetic number, because the mean of its divisors is an integer number (6910059840).

Almost surely, 2^68880528105 is an apocalyptic number.

It is an amenable number.

68880528105 is a deficient number, since it is larger than the sum of its proper divisors (41680429335).

68880528105 is a wasteful number, since it uses less digits than its factorization.

68880528105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14671360.

The product of its (nonzero) digits is 1228800, while the sum is 51.

The spelling of 68880528105 in words is "sixty-eight billion, eight hundred eighty million, five hundred twenty-eight thousand, one hundred five".