68511479010 has 64 divisors (see below), whose sum is σ = 182787978240. Its totient is φ = 16320349440.

The previous prime is 68511479009. The next prime is 68511479027. The reversal of 68511479010 is 1097411586.

It is a super-2 number, since 2×68511479010² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2821305 + ... + 2845484.

It is an arithmetic number, because the mean of its divisors is an integer number (2856062160).

Almost surely, 2^68511479010 is an apocalyptic number.

68511479010 is an abundant number, since it is smaller than the sum of its proper divisors (114276499230).

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

68511479010 is a wasteful number, since it uses less digits than its factorization.

68511479010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666843.

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 68511479010 in words is "sixty-eight billion, five hundred eleven million, four hundred seventy-nine thousand, ten".